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16880666192970 = 2352343197758099
BaseRepresentation
bin1111010110100101011000…
…0111001010110001001010
32012202202221122120201122220
43311221112013022301022
54203033101021133340
655522512044554510
73361405434110616
oct365512607126112
965682848521586
1016880666192970
115419060a95948
121a87704b52a36
13955abc6000c8
144250586b6346
151e4188dd1ed0
hexf5a561cac4a

16880666192970 has 128 divisors (see below), whose sum is σ = 42417246412800. Its totient is φ = 4291332080640.

The previous prime is 16880666192969. The next prime is 16880666192987. The reversal of 16880666192970 is 7929166608861.

16880666192970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×168806661929702 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a junction number, because it is equal to n+sod(n) for n = 16880666192895 and 16880666192904.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290520981 + ... + 290579079.

It is an arithmetic number, because the mean of its divisors is an integer number (331384737600).

Almost surely, 216880666192970 is an apocalyptic number.

16880666192970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16880666192970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21208623206400).

16880666192970 is an abundant number, since it is smaller than the sum of its proper divisors (25536580219830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16880666192970 is a wasteful number, since it uses less digits than its factorization.

16880666192970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59540.

The product of its (nonzero) digits is 94058496, while the sum is 69.

The spelling of 16880666192970 in words is "sixteen trillion, eight hundred eighty billion, six hundred sixty-six million, one hundred ninety-two thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 431 690 862 977 1293 1954 2155 2586 2931 4310 4885 5862 6465 9770 9913 12930 14655 19826 22471 29310 29739 44942 49565 58099 59478 67413 99130 112355 116198 134826 148695 174297 224710 290495 297390 337065 348594 421087 580990 674130 842174 871485 1263261 1336277 1742970 2105435 2526522 2672554 4008831 4210870 6316305 6681385 8017662 9685001 12632610 13362770 19370002 20044155 25040669 29055003 40088310 48425005 50081338 56762723 58110006 75122007 96850010 113525446 125203345 145275015 150244014 170288169 250406690 283813615 290550030 340576338 375610035 567627230 575935387 751220070 851440845 1151870774 1305542629 1702881690 1727806161 2611085258 2879676935 3455612322 3916627887 5759353870 6527713145 7833255774 8639030805 13055426290 17278061610 19583139435 24464733613 39166278870 48929467226 73394200839 122323668065 146788401678 244647336130 366971004195 562688873099 733942008390 1125377746198 1688066619297 2813444365495 3376133238594 5626888730990 8440333096485 16880666192970