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93680388697 = 7611095720023
BaseRepresentation
bin101011100111111001…
…0010100101001011001
322221210202011211021211
41113033302110221121
53013324134414242
6111011451503121
76524326110520
oct1271762245131
9287722154254
1093680388697
1136803156645
12161a5457aa1
138aac46a67c
144769a154b7
15268451c317
hex15cfc94a59

93680388697 has 16 divisors (see below), whose sum is σ = 108833804032. Its totient is φ = 78969971520.

The previous prime is 93680388679. The next prime is 93680388749. The reversal of 93680388697 is 79688308639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-93680388697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93680388647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4668628 + ... + 4688650.

It is an arithmetic number, because the mean of its divisors is an integer number (6802112752).

Almost surely, 293680388697 is an apocalyptic number.

It is an amenable number.

93680388697 is a deficient number, since it is larger than the sum of its proper divisors (15153415335).

93680388697 is a wasteful number, since it uses less digits than its factorization.

93680388697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31048.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 93680388697 in words is "ninety-three billion, six hundred eighty million, three hundred eighty-eight thousand, six hundred ninety-seven".

Divisors: 1 7 61 427 10957 20023 76699 140161 668377 1221403 4678639 8549821 219392011 1535744077 13382912671 93680388697