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20054155302 = 2321958637881
BaseRepresentation
bin10010101011010100…
…100010000000100110
31220202121102122100200
4102223110202000212
5312032330432202
613113542051330
71306650336036
oct225324420046
956677378320
1020054155302
118561058775
123a78119b46
131b779894ac
14d835818c6
157c58b6e1c
hex4ab522026

20054155302 has 24 divisors (see below), whose sum is σ = 45737547960. Its totient is φ = 6332891040.

The previous prime is 20054155301. The next prime is 20054155327. The reversal of 20054155302 is 20355145002.

It is a happy number.

20054155302 is a `hidden beast` number, since 200 + 5 + 4 + 155 + 302 = 666.

It is a super-2 number, since 2×200541553022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20054155301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29318599 + ... + 29319282.

It is an arithmetic number, because the mean of its divisors is an integer number (1905731165).

Almost surely, 220054155302 is an apocalyptic number.

20054155302 is an abundant number, since it is smaller than the sum of its proper divisors (25683392658).

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

20054155302 is a wasteful number, since it uses less digits than its factorization.

20054155302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58637908 (or 58637905 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The spelling of 20054155302 in words is "twenty billion, fifty-four million, one hundred fifty-five thousand, three hundred two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 58637881 117275762 175913643 351827286 527740929 1055481858 1114119739 2228239478 3342359217 6684718434 10027077651 20054155302