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88506251372 = 22721141051137
BaseRepresentation
bin101001001101101100…
…0100011100001101100
322110110011010102020002
41102123120203201230
52422230100020442
6104354220043432
76252160503200
oct1223330434154
9273404112202
1088506251372
11345985206a0
12151a0693578
13846650b556
1443d8784b00
152480169732
hex149b62386c

88506251372 has 36 divisors (see below), whose sum is σ = 196552848744. Its totient is φ = 34482954240.

The previous prime is 88506251369. The next prime is 88506251399. The reversal of 88506251372 is 27315260588.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20523413 + ... + 20527724.

It is an arithmetic number, because the mean of its divisors is an integer number (5459801354).

Almost surely, 288506251372 is an apocalyptic number.

It is an amenable number.

88506251372 is an abundant number, since it is smaller than the sum of its proper divisors (108046597372).

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

88506251372 is a wasteful number, since it uses less digits than its factorization.

88506251372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41051166 (or 41051157 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 88506251372 in words is "eighty-eight billion, five hundred six million, two hundred fifty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 41051137 82102274 164204548 287357959 451562507 574715918 903125014 1149431836 1806250028 2011505713 3160937549 4023011426 6321875098 8046022852 12643750196 22126562843 44253125686 88506251372