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13670989690 = 2513291102859
BaseRepresentation
bin11001011101101101…
…01011111101111010
31022021202101020021111
430232312223331322
5210444233132230
610140320430534
7662531331541
oct145666537572
938252336244
1013670989690
115885a0a996
12279647844a
13139b3c4717
14939911158
155502e392a
hex32edabf7a

13670989690 has 16 divisors (see below), whose sum is σ = 24609872160. Its totient is φ = 5467931280.

The previous prime is 13670989679. The next prime is 13670989691. The reversal of 13670989690 is 9698907631.

It is a super-2 number, since 2×136709896902 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13670989691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81481 + ... + 184339.

It is an arithmetic number, because the mean of its divisors is an integer number (1538117010).

Almost surely, 213670989690 is an apocalyptic number.

13670989690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13670989690 is a deficient number, since it is larger than the sum of its proper divisors (10938882470).

13670989690 is a wasteful number, since it uses less digits than its factorization.

13670989690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116157.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 13670989690 in words is "thirteen billion, six hundred seventy million, nine hundred eighty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 13291 26582 66455 102859 132910 205718 514295 1028590 1367098969 2734197938 6835494845 13670989690