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88012872817 = 717537164471
BaseRepresentation
bin101000111110111111…
…0011101110001110001
322102011202202012002021
41101331332131301301
52420222243412232
6104233233151441
76234020034562
oct1217576356161
9272152665067
1088012872817
1134364a77021
12150833bb581
1383b823428c
14438d034169
152451bad397
hex147df9dc71

88012872817 has 8 divisors (see below), whose sum is σ = 89264875392. Its totient is φ = 86761214400.

The previous prime is 88012872769. The next prime is 88012872847. The reversal of 88012872817 is 71827821088.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88012872817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88012872847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452892 + ... + 617362.

It is an arithmetic number, because the mean of its divisors is an integer number (11158109424).

Almost surely, 288012872817 is an apocalyptic number.

It is an amenable number.

88012872817 is a deficient number, since it is larger than the sum of its proper divisors (1252002575).

88012872817 is a wasteful number, since it uses less digits than its factorization.

88012872817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172079.

The product of its (nonzero) digits is 802816, while the sum is 52.

The spelling of 88012872817 in words is "eighty-eight billion, twelve million, eight hundred seventy-two thousand, eight hundred seventeen".

Divisors: 1 71 7537 164471 535127 11677441 1239617927 88012872817