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13913462690 = 251973228751
BaseRepresentation
bin11001111010100111…
…01001011110100010
31022220122122010200222
430331103221132202
5211443321301230
610220341443042
71001534324111
oct147523513642
938818563628
1013913462690
11599a8724a6
122843710482
13140970007a
1495dbcbc78
1556673c6e5
hex33d4e97a2

13913462690 has 16 divisors (see below), whose sum is σ = 26362350720. Its totient is φ = 5272470000.

The previous prime is 13913462669. The next prime is 13913462713. The reversal of 13913462690 is 9626431931.

It is a super-2 number, since 2×139134626902 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36614186 + ... + 36614565.

It is an arithmetic number, because the mean of its divisors is an integer number (1647646920).

Almost surely, 213913462690 is an apocalyptic number.

13913462690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13913462690 is a deficient number, since it is larger than the sum of its proper divisors (12448888030).

13913462690 is a wasteful number, since it uses less digits than its factorization.

13913462690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73228777.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 13913462690 in words is "thirteen billion, nine hundred thirteen million, four hundred sixty-two thousand, six hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 73228751 146457502 366143755 732287510 1391346269 2782692538 6956731345 13913462690