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87160358896 = 2413419040187
BaseRepresentation
bin101000100101100101…
…0011000011111110000
322022222100120222211121
41101023022120133300
52412001022441041
6104012500552024
76203625553342
oct1211312303760
9268870528747
1087160358896
1133a67828766
1214a859b2614
1382b0725980
14430bb19292
152401e117d1
hex144b2987f0

87160358896 has 20 divisors (see below), whose sum is σ = 181863441592. Its totient is φ = 40227857856.

The previous prime is 87160358891. The next prime is 87160358903. The reversal of 87160358896 is 69885306178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87160358891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 209519886 + ... + 209520301.

Almost surely, 287160358896 is an apocalyptic number.

It is an amenable number.

87160358896 is an abundant number, since it is smaller than the sum of its proper divisors (94703082696).

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

87160358896 is a wasteful number, since it uses less digits than its factorization.

87160358896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419040208 (or 419040202 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 61.

The spelling of 87160358896 in words is "eighty-seven billion, one hundred sixty million, three hundred fifty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 13 16 26 52 104 208 419040187 838080374 1676160748 3352321496 5447522431 6704642992 10895044862 21790089724 43580179448 87160358896