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13967219357 = 721321926561
BaseRepresentation
bin11010000001000001…
…01101101010011101
31100001101210020222122
431000200231222131
5212101102004412
610225541552325
71003056256100
oct150040555235
940041706878
1013967219357
115a181496a3
1228597156a5
1314178a2350
14966dc2737
1556b30a572
hex34082da9d

13967219357 has 12 divisors (see below), whose sum is σ = 17497396476. Its totient is φ = 11050986240.

The previous prime is 13967219339. The next prime is 13967219369. The reversal of 13967219357 is 75391276931.

It can be written as a sum of positive squares in 2 ways, for example, as 2008922041 + 11958297316 = 44821^2 + 109354^2 .

It is not a de Polignac number, because 13967219357 - 26 = 13967219293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13967219299 and 13967219308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13967219327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10962644 + ... + 10963917.

It is an arithmetic number, because the mean of its divisors is an integer number (1458116373).

Almost surely, 213967219357 is an apocalyptic number.

It is an amenable number.

13967219357 is a deficient number, since it is larger than the sum of its proper divisors (3530177119).

13967219357 is a wasteful number, since it uses less digits than its factorization.

13967219357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21926588 (or 21926581 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 53.

The spelling of 13967219357 in words is "thirteen billion, nine hundred sixty-seven million, two hundred nineteen thousand, three hundred fifty-seven".

Divisors: 1 7 13 49 91 637 21926561 153485927 285045293 1074401489 1995317051 13967219357