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10664640302 = 219761368789
BaseRepresentation
bin10011110111010100…
…10111111100101110
31000112020101212012212
421323222113330232
5133320121442202
64522124130422
7525164642531
oct117352277456
930466355185
1010664640302
114582a03118
122097696a12
13100c5c9164
14732534a18
154263e8652
hex27ba97f2e

10664640302 has 16 divisors (see below), whose sum is σ = 16861078800. Its totient is φ = 5045019840.

The previous prime is 10664640281. The next prime is 10664640341. The reversal of 10664640302 is 20304646601.

It is a super-2 number, since 2×106646403022 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155477 + ... + 213312.

It is an arithmetic number, because the mean of its divisors is an integer number (1053817425).

Almost surely, 210664640302 is an apocalyptic number.

10664640302 is a deficient number, since it is larger than the sum of its proper divisors (6196438498).

10664640302 is a wasteful number, since it uses less digits than its factorization.

10664640302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369571.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 10664640302 in words is "ten billion, six hundred sixty-four million, six hundred forty thousand, three hundred two".

Divisors: 1 2 19 38 761 1522 14459 28918 368789 737578 7006991 14013982 280648429 561296858 5332320151 10664640302