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20102112012010 = 2571747164380669
BaseRepresentation
bin1001001001000011000110…
…01111101110011011101010
32122011202001202020011201111
410210201203033232123222
510113323111133341020
6110430441024540534
74143221034553540
oct444414317563352
978152052204644
1020102112012010
116450292196006
122307b1078174a
13b2a80c528912
144d6d399b3d90
1524cd7e70bd5a
hex1248633ee6ea

20102112012010 has 32 divisors (see below), whose sum is σ = 41376587207040. Its totient is φ = 6888207511872.

The previous prime is 20102112011881. The next prime is 20102112012019. The reversal of 20102112012010 is 1021021120102.

It is not an unprimeable number, because it can be changed into a prime (20102112012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82068045 + ... + 82312624.

It is an arithmetic number, because the mean of its divisors is an integer number (1293018350220).

Almost surely, 220102112012010 is an apocalyptic number.

20102112012010 is an abundant number, since it is smaller than the sum of its proper divisors (21274475195030).

20102112012010 is a wasteful number, since it uses less digits than its factorization.

20102112012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164382430.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20102112012010 its reverse (1021021120102), we get a palindrome (21123133132112).

The spelling of 20102112012010 in words is "twenty trillion, one hundred two billion, one hundred twelve million, twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 1747 3494 8735 12229 17470 24458 61145 122290 164380669 328761338 821903345 1150664683 1643806690 2301329366 5753323415 11506646830 287173028743 574346057486 1435865143715 2010211201201 2871730287430 4020422402402 10051056006005 20102112012010