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88130197230 = 2355355427797
BaseRepresentation
bin101001000010011111…
…0000001011011101110
322102110221111212220220
41102010332001123232
52420442312302410
6104253023552210
76236643213345
oct1220476013356
9272427455826
1088130197230
1134415220649
12150b675b666
1384066323ca
1443a0854b5c
15245c136070
hex1484f816ee

88130197230 has 32 divisors (see below), whose sum is σ = 215503278624. Its totient is φ = 23057963136.

The previous prime is 88130197217. The next prime is 88130197279. The reversal of 88130197230 is 3279103188.

It is a Curzon number.

It is a congruent 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, 27712309 + ... + 27715488.

It is an arithmetic number, because the mean of its divisors is an integer number (6734477457).

Almost surely, 288130197230 is an apocalyptic number.

88130197230 is an abundant number, since it is smaller than the sum of its proper divisors (127373081394).

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

88130197230 is a wasteful number, since it uses less digits than its factorization.

88130197230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55427860.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 88130197230 in words is "eighty-eight billion, one hundred thirty million, one hundred ninety-seven thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 55427797 110855594 166283391 277138985 332566782 554277970 831416955 1662833910 2937673241 5875346482 8813019723 14688366205 17626039446 29376732410 44065098615 88130197230