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88075993438 = 2192979923769
BaseRepresentation
bin101001000000110111…
…1010000000101011110
322102100011112001022001
41102001233100011132
52420334423242223
6104243410112514
76235414406656
oct1220157200536
9272304461261
1088075993438
1134397669524
12150a057b73a
1383c8334764
144397585366
1524574ca9ad
hex1481bd015e

88075993438 has 16 divisors (see below), whose sum is σ = 143862786000. Its totient is φ = 40281579072.

The previous prime is 88075993427. The next prime is 88075993459. The reversal of 88075993438 is 83439957088.

It is a self number, because there is not a number n which added to its sum of digits gives 88075993438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39960783 + ... + 39962986.

It is an arithmetic number, because the mean of its divisors is an integer number (8991424125).

Almost surely, 288075993438 is an apocalyptic number.

88075993438 is a deficient number, since it is larger than the sum of its proper divisors (55786792562).

88075993438 is a wasteful number, since it uses less digits than its factorization.

88075993438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79923819.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 88075993438 in words is "eighty-eight billion, seventy-five million, nine hundred ninety-three thousand, four hundred thirty-eight".

Divisors: 1 2 19 29 38 58 551 1102 79923769 159847538 1518551611 2317789301 3037103222 4635578602 44037996719 88075993438