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88690009688 = 2374138628053
BaseRepresentation
bin101001010011001010…
…1100010011001011000
322110220221220022020122
41102212111202121120
52423114120302223
6104424342412412
76256551433550
oct1224625423130
9273827808218
1088690009688
113468221aa75
1215232131108
1384955c9c97
144414d3a160
1524913665c8
hex14a6562658

88690009688 has 32 divisors (see below), whose sum is σ = 194685392160. Its totient is φ = 37082929920.

The previous prime is 88690009687. The next prime is 88690009739.

It is a happy number.

88690009688 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 88690009688.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88690009687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19311731 + ... + 19316322.

It is an arithmetic number, because the mean of its divisors is an integer number (6083918505).

Almost surely, 288690009688 is an apocalyptic number.

It is an amenable number.

88690009688 is an abundant number, since it is smaller than the sum of its proper divisors (105995382472).

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

88690009688 is a wasteful number, since it uses less digits than its factorization.

88690009688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38628107 (or 38628103 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 88690009688 in words is "eighty-eight billion, six hundred ninety million, nine thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 38628053 77256106 154512212 270396371 309024424 540792742 1081585484 1583750173 2163170968 3167500346 6335000692 11086251211 12670001384 22172502422 44345004844 88690009688