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10121331010 = 257237386117
BaseRepresentation
bin10010110110100011…
…10100000101000010
3222010101001212222111
421123101310011002
5131212030043020
64352155125534
7505546615450
oct113321640502
928111055874
1010121331010
11432425587a
121b657438aa
13c53b8c17b
146c03079d0
153e3877d5a
hex25b474142

10121331010 has 64 divisors (see below), whose sum is σ = 22024161792. Its totient is φ = 3273785856.

The previous prime is 10121330993. The next prime is 10121331029. The reversal of 10121331010 is 1013312101.

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, 74472 + ... + 160588.

It is an arithmetic number, because the mean of its divisors is an integer number (344127528).

Almost surely, 210121331010 is an apocalyptic number.

10121331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10121331010 is an abundant number, since it is smaller than the sum of its proper divisors (11902830782).

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

10121331010 is a wasteful number, since it uses less digits than its factorization.

10121331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86227.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10121331010 its reverse (1013312101), we get a palindrome (11134643111).

The spelling of 10121331010 in words is "ten billion, one hundred twenty-one million, three hundred thirty-one thousand, ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 73 115 146 161 230 322 365 511 730 805 1022 1610 1679 2555 3358 5110 8395 11753 16790 23506 58765 86117 117530 172234 430585 602819 861170 1205638 1980691 3014095 3961382 6028190 6286541 9903455 12573082 13864837 19806910 27729674 31432705 44005787 62865410 69324185 88011574 138648370 144590443 220028935 289180886 440057870 722952215 1012133101 1445904430 2024266202 5060665505 10121331010