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128472822804 = 22319563477293
BaseRepresentation
bin111011110100110010…
…0111011010000010100
3110021121111021121100110
41313221210323100110
54101103020312204
6135004122243020
712165450655464
oct1675144732024
9407544247313
10128472822804
114a537617317
1220a95356470
13c1656883a1
14630a72dba4
15351dc4b889
hex1de993b414

128472822804 has 24 divisors (see below), whose sum is σ = 315547284640. Its totient is φ = 40570365024.

The previous prime is 128472822791. The next prime is 128472822851. The reversal of 128472822804 is 408228274821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281738419 + ... + 281738874.

Almost surely, 2128472822804 is an apocalyptic number.

It is an amenable number.

128472822804 is an abundant number, since it is smaller than the sum of its proper divisors (187074461836).

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

128472822804 is a wasteful number, since it uses less digits than its factorization.

128472822804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563477319 (or 563477317 counting only the distinct ones).

The product of its (nonzero) digits is 917504, while the sum is 48.

The spelling of 128472822804 in words is "one hundred twenty-eight billion, four hundred seventy-two million, eight hundred twenty-two thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 563477293 1126954586 1690431879 2253909172 3380863758 6761727516 10706068567 21412137134 32118205701 42824274268 64236411402 128472822804