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203885104904 = 23133076363727
BaseRepresentation
bin1011110111100001111…
…1111100111100001000
3201111021002210110111122
42331320133330330020
511320024041324104
6233355153214412
720505314540315
oct2757037747410
9644232713448
10203885104904
117951590aaa8
1233620861408
13162c31b3410
149c22087d0c
1554845a16be
hex2f787fcf08

203885104904 has 32 divisors (see below), whose sum is σ = 411710920320. Its totient is φ = 94096282176.

The previous prime is 203885104897. The next prime is 203885104919. The reversal of 203885104904 is 409401588302.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3167489 + ... + 3231215.

It is an arithmetic number, because the mean of its divisors is an integer number (12865966260).

Almost surely, 2203885104904 is an apocalyptic number.

It is an amenable number.

203885104904 is an abundant number, since it is smaller than the sum of its proper divisors (207825815416).

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

203885104904 is a wasteful number, since it uses less digits than its factorization.

203885104904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94509 (or 94505 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 203885104904 in words is "two hundred three billion, eight hundred eighty-five million, one hundred four thousand, nine hundred four".

Divisors: 1 2 4 8 13 26 52 104 30763 61526 63727 123052 127454 246104 254908 399919 509816 799838 828451 1599676 1656902 3199352 3313804 6627608 1960433701 3920867402 7841734804 15683469608 25485638113 50971276226 101942552452 203885104904