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10207661664 = 253367289727
BaseRepresentation
bin10011000000110110…
…01000111001100000
3222100101111221101010
421200123020321200
5131401130133124
64404521340520
7510645456354
oct114033107140
928311457333
1010207661664
114368a60322
121b8a637740
13c68a27bb5
146cb97b464
153eb22c529
hex2606c8e60

10207661664 has 48 divisors (see below), whose sum is σ = 26868215808. Its totient is φ = 3393270912.

The previous prime is 10207661647. The next prime is 10207661689. The reversal of 10207661664 is 46616670201.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×102076616643 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109632 + ... + 180095.

It is an arithmetic number, because the mean of its divisors is an integer number (559754496).

Almost surely, 210207661664 is an apocalyptic number.

It is an amenable number.

10207661664 is an abundant number, since it is smaller than the sum of its proper divisors (16660554144).

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

10207661664 is a wasteful number, since it uses less digits than its factorization.

10207661664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290107 (or 290099 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 10207661664 in words is "ten billion, two hundred seven million, six hundred sixty-one thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 367 734 1101 1468 2202 2936 4404 5872 8808 11744 17616 35232 289727 579454 869181 1158908 1738362 2317816 3476724 4635632 6953448 9271264 13906896 27813792 106329809 212659618 318989427 425319236 637978854 850638472 1275957708 1701276944 2551915416 3402553888 5103830832 10207661664