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28612855074 = 2317416841907
BaseRepresentation
bin11010101001011101…
…011000010100100010
32201212002010122021010
4122221131120110202
5432044342330244
621051120441350
72032024153356
oct325135302442
981762118233
1028612855074
1111153235571
125666479256
13290cb9789b
141556121466
15b26e72eb9
hex6a9758522

28612855074 has 32 divisors (see below), whose sum is σ = 62069789376. Its totient is φ = 8757639680.

The previous prime is 28612855001. The next prime is 28612855093. The reversal of 28612855074 is 47055821682.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416772 + ... + 3425135.

It is an arithmetic number, because the mean of its divisors is an integer number (1939680918).

Almost surely, 228612855074 is an apocalyptic number.

28612855074 is an abundant number, since it is smaller than the sum of its proper divisors (33456934302).

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

28612855074 is a wasteful number, since it uses less digits than its factorization.

28612855074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841970.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 28612855074 in words is "twenty-eight billion, six hundred twelve million, eight hundred fifty-five thousand, seventy-four".

Divisors: 1 2 3 6 17 34 41 51 82 102 123 246 697 1394 2091 4182 6841907 13683814 20525721 41051442 116312419 232624838 280518187 348937257 561036374 697874514 841554561 1683109122 4768809179 9537618358 14306427537 28612855074