Search a number
-
+
105043191052672 = 2715117942897079
BaseRepresentation
bin10111111000100101000110…
…000101101011100110000000
3111202221000211121000110112101
4113320211012011223212000
5102232011423402141142
61011224101545240144
731061056124611645
oct2770450605534600
9452830747013471
10105043191052672
1130519626973894
12b9460a8193054
13467c6b84178c2
141bd21908a1dcc
15c22633c0a0b7
hex5f894616b980

105043191052672 has 128 divisors (see below), whose sum is σ = 211907741760000. Its totient is φ = 51862872883200.

The previous prime is 105043191052661. The next prime is 105043191052699. The reversal of 105043191052672 is 276250191340501.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1050431910526722 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14838701229 + ... + 14838708307.

It is an arithmetic number, because the mean of its divisors is an integer number (1655529232500).

Almost surely, 2105043191052672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105043191052672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105953870880000).

105043191052672 is an abundant number, since it is smaller than the sum of its proper divisors (106864550707328).

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

105043191052672 is a wasteful number, since it uses less digits than its factorization.

105043191052672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712 (or 11700 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 105043191052672 in words is "one hundred five trillion, forty-three billion, one hundred ninety-one million, fifty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 151 179 302 358 604 716 1208 1432 2416 2864 4289 4832 5728 7079 8578 9664 11456 14158 17156 19328 22912 27029 28316 34312 54058 56632 68624 108116 113264 137248 216232 226528 274496 432464 453056 548992 647639 767731 864928 906112 1068929 1267141 1295278 1535462 1729856 2137858 2534282 2590556 3070924 3459712 4275716 5068564 5181112 6141848 8551432 10137128 10362224 12283696 17102864 20274256 20724448 24567392 30361831 34205728 40548512 41448896 49134784 60723662 68411456 81097024 82897792 98269568 115927381 121447324 136822912 162194048 191338291 231854762 242894648 382676582 463709524 485789296 765353164 927419048 971578592 1530706328 1854838096 1943157184 3061412656 3709676192 3886314368 4584636481 5434767749 6122825312 7419352384 9169272962 10869535498 12245650624 14838704768 18338545924 21739070996 24491301248 36677091848 43478141992 73354183696 86956283984 146708367392 173912567968 293416734784 347825135936 586833469568 695650271872 820649930099 1641299860198 3282599720396 6565199440792 13130398881584 26260797763168 52521595526336 105043191052672