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88244237138 = 2172125637489
BaseRepresentation
bin101001000101111000…
…1000011001101010010
322102202220002201021012
41102023301003031102
52421211011042023
6104312220130522
76242526432251
oct1221361031522
9272686081235
1088244237138
1134473631502
1215128996a42
138424150545
1443b1a5c798
152467160978
hex148bc43352

88244237138 has 8 divisors (see below), whose sum is σ = 132443273340. Its totient is φ = 44096479360.

The previous prime is 88244237119. The next prime is 88244237231. The reversal of 88244237138 is 83173244288.

It can be written as a sum of positive squares in 2 ways, for example, as 87454458529 + 789778609 = 295727^2 + 28103^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12815303 + ... + 12822186.

Almost surely, 288244237138 is an apocalyptic number.

88244237138 is a deficient number, since it is larger than the sum of its proper divisors (44199036202).

88244237138 is a wasteful number, since it uses less digits than its factorization.

88244237138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25639212.

The product of its digits is 2064384, while the sum is 50.

The spelling of 88244237138 in words is "eighty-eight billion, two hundred forty-four million, two hundred thirty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 1721 3442 25637489 51274978 44122118569 88244237138