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6985836612 = 2232194051017
BaseRepresentation
bin1101000000110001…
…10110100001000100
3200000212002021021100
412200120312201010
5103301333232422
63113110420100
7335054426406
oct64030664104
920025067240
106985836612
112a65360497
12142b661630
138743b7341
144a3b10b76
152ad46c7ac
hex1a0636844

6985836612 has 18 divisors (see below), whose sum is σ = 17658642638. Its totient is φ = 2328612192.

The previous prime is 6985836589. The next prime is 6985836623. The reversal of 6985836612 is 2166385896.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5269888836 + 1715947776 = 72594^2 + 41424^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 97025473 + ... + 97025544.

Almost surely, 26985836612 is an apocalyptic number.

It is an amenable number.

6985836612 is an abundant number, since it is smaller than the sum of its proper divisors (10672806026).

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

6985836612 is a wasteful number, since it uses less digits than its factorization.

6985836612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194051027 (or 194051022 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 6985836612 is about 83581.3173621952. The cubic root of 6985836612 is about 1911.6401408526.

The spelling of 6985836612 in words is "six billion, nine hundred eighty-five million, eight hundred thirty-six thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 194051017 388102034 582153051 776204068 1164306102 1746459153 2328612204 3492918306 6985836612