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20128682102 = 2179197928411
BaseRepresentation
bin10010101111110000…
…110101000001110110
31220221210122222220112
4102233300311001312
5312210420311402
613125203303022
71311543655244
oct225760650166
956853588815
1020128682102
11859a130871
123a9907aa72
131b8a2515a9
14d8d421794
157cc1d8e52
hex4afc35076

20128682102 has 16 divisors (see below), whose sum is σ = 30378110400. Its totient is φ = 10002706440.

The previous prime is 20128682071. The next prime is 20128682111.

20128682102 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 694277 + ... + 722687.

It is an arithmetic number, because the mean of its divisors is an integer number (1898631900).

Almost surely, 220128682102 is an apocalyptic number.

20128682102 is a deficient number, since it is larger than the sum of its proper divisors (10249428298).

20128682102 is a wasteful number, since it uses less digits than its factorization.

20128682102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30571.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 20128682102 in words is "twenty billion, one hundred twenty-eight million, six hundred eighty-two thousand, one hundred two".

Divisors: 1 2 179 358 1979 3958 28411 56822 354241 708482 5085569 10171138 56225369 112450738 10064341051 20128682102