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10213309988 = 2272373892441
BaseRepresentation
bin10011000001100001…
…01011111000100100
3222100210010220102022
421200300223320210
5131404101404423
64405242402312
7511044462650
oct114060537044
928323126368
1010213309988
114371168a62
121b90500398
13c69c54abb
146cc60ba60
153eb995dc8
hex260c2be24

10213309988 has 96 divisors (see below), whose sum is σ = 21858439680. Its totient is φ = 4081397760.

The previous prime is 10213309979. The next prime is 10213310017. The reversal of 10213309988 is 88990331201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4182848 + ... + 4185288.

It is an arithmetic number, because the mean of its divisors is an integer number (227692080).

Almost surely, 210213309988 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 10213309988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10929219840).

10213309988 is an abundant number, since it is smaller than the sum of its proper divisors (11645129692).

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

10213309988 is a wasteful number, since it uses less digits than its factorization.

10213309988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 10213309988 in words is "ten billion, two hundred thirteen million, three hundred nine thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 23 28 46 73 89 92 146 161 178 292 322 356 511 623 644 1022 1246 1679 2044 2047 2441 2492 3358 4094 4882 6497 6716 8188 9764 11753 12994 14329 17087 23506 25988 28658 34174 45479 47012 56143 57316 68348 90958 112286 149431 178193 181916 217249 224572 298862 356386 393001 434498 597724 712772 786002 868996 1046017 1247351 1520743 1572004 2092034 2494702 3041486 4098439 4184068 4989404 4996727 6082972 8196878 9993454 15859177 16393756 19986908 28689073 31718354 34977089 57378146 63436708 69954178 111014239 114756292 139908356 222028478 364761071 444056956 729522142 1459044284 2553327497 5106654994 10213309988