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13930949854 = 243281576469
BaseRepresentation
bin11001111100101100…
…10110110011011110
31022221212112120120201
430332112112303132
5212012310343404
610222204334114
71002136056103
oct147626266336
938855476521
1013930949854
1159a97268a8
12284954433a
1314102137c3
14962260aaa
15568043ca4
hex33e596cde

13930949854 has 16 divisors (see below), whose sum is σ = 21458519280. Its totient is φ = 6779263680.

The previous prime is 13930949839. The next prime is 13930949873. The reversal of 13930949854 is 45894903931.

It is a happy number.

13930949854 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13930949795 and 13930949804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264069 + ... + 312400.

It is an arithmetic number, because the mean of its divisors is an integer number (1341157455).

Almost surely, 213930949854 is an apocalyptic number.

13930949854 is a deficient number, since it is larger than the sum of its proper divisors (7527569426).

13930949854 is a wasteful number, since it uses less digits than its factorization.

13930949854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576795.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 13930949854 in words is "thirteen billion, nine hundred thirty million, nine hundred forty-nine thousand, eight hundred fifty-four".

Divisors: 1 2 43 86 281 562 12083 24166 576469 1152938 24788167 49576334 161987789 323975578 6965474927 13930949854