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9681510164 = 224909493049
BaseRepresentation
bin10010000010001000…
…00001111100010100
3220222201110200012112
421001010001330110
5124311431311124
64240404210152
7461626323104
oct110104017424
926881420175
109681510164
114118a61977
121a62399958
13bb3a17751
1467bb39204
153b9e4a90e
hex241101f14

9681510164 has 12 divisors (see below), whose sum is σ = 16946128500. Its totient is φ = 4839759168.

The previous prime is 9681510131. The next prime is 9681510199. The reversal of 9681510164 is 4610151869.

It can be written as a sum of positive squares in 2 ways, for example, as 4494629764 + 5186880400 = 67042^2 + 72020^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226889 + ... + 266160.

It is an arithmetic number, because the mean of its divisors is an integer number (1412177375).

Almost surely, 29681510164 is an apocalyptic number.

It is an amenable number.

9681510164 is a deficient number, since it is larger than the sum of its proper divisors (7264618336).

9681510164 is a wasteful number, since it uses less digits than its factorization.

9681510164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497962 (or 497960 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 9681510164 is about 98394.6653228721. The cubic root of 9681510164 is about 2131.3152965676.

The spelling of 9681510164 in words is "nine billion, six hundred eighty-one million, five hundred ten thousand, one hundred sixty-four".

Divisors: 1 2 4 4909 9818 19636 493049 986098 1972196 2420377541 4840755082 9681510164