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93608800661 = 312795112251
BaseRepresentation
bin101011100101110000…
…1001111000110010101
322221121202110202222002
41113023201033012111
53013202323110121
6111000413245045
76522466451165
oct1271341170625
9287552422862
1093608800661
1136776800482
1216185493785
138a9a69409c
1447602dc5a5
15267d0cae0b
hex15cb84f195

93608800661 has 12 divisors (see below), whose sum is σ = 96745908672. Its totient is φ = 90570375000.

The previous prime is 93608800627. The next prime is 93608800667. The reversal of 93608800661 is 16600880639.

It is a de Polignac number, because none of the positive numbers 2k-93608800661 is a prime.

It is a super-2 number, since 2×936088006612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93608800667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7634786 + ... + 7647036.

It is an arithmetic number, because the mean of its divisors is an integer number (8062159056).

Almost surely, 293608800661 is an apocalyptic number.

It is an amenable number.

93608800661 is a deficient number, since it is larger than the sum of its proper divisors (3137108011).

93608800661 is a wasteful number, since it uses less digits than its factorization.

93608800661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20264 (or 20233 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 93608800661 in words is "ninety-three billion, six hundred eight million, eight hundred thousand, six hundred sixty-one".

Divisors: 1 31 961 7951 12251 246481 379781 7640911 11773211 97407701 3019638731 93608800661