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20100202012 = 2211270159243
BaseRepresentation
bin10010101110000100…
…001011111000011100
31220212211002001120101
4102232010023320130
5312131122431022
613122305030444
71311046620022
oct225604137034
956784061511
1020100202012
118585049300
123a8b625424
131b8438c377
14d8972a712
157c9960627
hex4ae10be1c

20100202012 has 36 divisors (see below), whose sum is σ = 38719627128. Its totient is φ = 9123268000.

The previous prime is 20100201983. The next prime is 20100202091. The reversal of 20100202012 is 21020200102.

It is a self number, because there is not a number n which added to its sum of digits gives 20100202012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309663 + ... + 368905.

It is an arithmetic number, because the mean of its divisors is an integer number (1075545198).

Almost surely, 220100202012 is an apocalyptic number.

20100202012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20100202012 is a deficient number, since it is larger than the sum of its proper divisors (18619425116).

20100202012 is a wasteful number, since it uses less digits than its factorization.

20100202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59970 (or 59957 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20100202012 its reverse (21020200102), we get a palindrome (41120402114).

The spelling of 20100202012 in words is "twenty billion, one hundred million, two hundred two thousand, twelve".

Divisors: 1 2 4 11 22 44 121 242 484 701 1402 2804 7711 15422 30844 59243 84821 118486 169642 236972 339284 651673 1303346 2606692 7168403 14336806 28673612 41529343 83058686 166117372 456822773 913645546 1827291092 5025050503 10050101006 20100202012