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10643070808 = 237431790557
BaseRepresentation
bin10011110100110000…
…00101111101011000
31000110201211000102201
421322120011331120
5133244111231213
64520033535544
7524513415646
oct117230057530
930421730381
1010643070808
114571810697
1220904145b4
131007cb6546
1472d71c196
154245876dd
hex27a605f58

10643070808 has 16 divisors (see below), whose sum is σ = 19982627280. Its totient is φ = 5314370208.

The previous prime is 10643070797. The next prime is 10643070817. The reversal of 10643070808 is 80807034601.

It is a happy number.

10643070808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106430708082 (a number of 21 digits) contains 22 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889335 + ... + 901222.

It is an arithmetic number, because the mean of its divisors is an integer number (1248914205).

Almost surely, 210643070808 is an apocalyptic number.

It is an amenable number.

10643070808 is a deficient number, since it is larger than the sum of its proper divisors (9339556472).

10643070808 is a wasteful number, since it uses less digits than its factorization.

10643070808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791306 (or 1791302 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 10643070808 in words is "ten billion, six hundred forty-three million, seventy thousand, eight hundred eight".

Divisors: 1 2 4 8 743 1486 2972 5944 1790557 3581114 7162228 14324456 1330383851 2660767702 5321535404 10643070808