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13903442996 = 22171021200257
BaseRepresentation
bin11001111001011010…
…11011010000110100
31022212221210002021012
430330231123100310
5211433240133441
610215343011352
71001353213142
oct147455332064
938787702235
1013903442996
115995149563
122840299b58
131407602561
1495c740592
1556590d9eb
hex33cb5b434

13903442996 has 24 divisors (see below), whose sum is σ = 25787623176. Its totient is φ = 6536355840.

The previous prime is 13903442981. The next prime is 13903443017. The reversal of 13903442996 is 69924430931.

It can be written as a sum of positive squares in 4 ways, for example, as 7206312100 + 6697130896 = 84890^2 + 81836^2 .

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, 30701 + ... + 169556.

It is an arithmetic number, because the mean of its divisors is an integer number (1074484299).

Almost surely, 213903442996 is an apocalyptic number.

It is an amenable number.

13903442996 is a deficient number, since it is larger than the sum of its proper divisors (11884180180).

13903442996 is a wasteful number, since it uses less digits than its factorization.

13903442996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201299 (or 201297 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 50.

The spelling of 13903442996 in words is "thirteen billion, nine hundred three million, four hundred forty-two thousand, nine hundred ninety-six".

Divisors: 1 2 4 17 34 68 1021 2042 4084 17357 34714 69428 200257 400514 801028 3404369 6808738 13617476 204462397 408924794 817849588 3475860749 6951721498 13903442996