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88720752097 = 244993621403
BaseRepresentation
bin101001010100000101…
…0110011110111100001
322111000002202011220101
41102220022303313201
52423200003031342
6104431401342401
76260403643555
oct1225012636741
9274002664811
1088720752097
113469860821a
1215240497a01
13849baa1b63
14441905d865
152493dda3b7
hex14a82b3de1

88720752097 has 4 divisors (see below), whose sum is σ = 88724398000. Its totient is φ = 88717106196.

The previous prime is 88720752089. The next prime is 88720752121. The reversal of 88720752097 is 79025702788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88720752097 - 23 = 88720752089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88720752067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786203 + ... + 1835200.

It is an arithmetic number, because the mean of its divisors is an integer number (22181099500).

Almost surely, 288720752097 is an apocalyptic number.

It is an amenable number.

88720752097 is a deficient number, since it is larger than the sum of its proper divisors (3645903).

88720752097 is a wasteful number, since it uses less digits than its factorization.

88720752097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645902.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 88720752097 in words is "eighty-eight billion, seven hundred twenty million, seven hundred fifty-two thousand, ninety-seven".

Divisors: 1 24499 3621403 88720752097