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13107961373 = 134323448947
BaseRepresentation
bin11000011010100101…
…11001111000011101
31020211111221102121212
430031102321320131
5203321114230443
610004405034205
7642553555553
oct141522717035
936744842555
1013107961373
115617114431
1226599b5965
13130b872180
148c4c2dbd3
1551ab7a618
hex30d4b9e1d

13107961373 has 8 divisors (see below), whose sum is σ = 14444551968. Its totient is φ = 11818268784.

The previous prime is 13107961337. The next prime is 13107961381. The reversal of 13107961373 is 37316970131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13107961373 - 26 = 13107961309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13107961373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13107969373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11723915 + ... + 11725032.

It is an arithmetic number, because the mean of its divisors is an integer number (1805568996).

Almost surely, 213107961373 is an apocalyptic number.

13107961373 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13107961373 is a deficient number, since it is larger than the sum of its proper divisors (1336590595).

13107961373 is a wasteful number, since it uses less digits than its factorization.

13107961373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23449003.

The product of its (nonzero) digits is 71442, while the sum is 41.

The spelling of 13107961373 in words is "thirteen billion, one hundred seven million, nine hundred sixty-one thousand, three hundred seventy-three".

Divisors: 1 13 43 559 23448947 304836311 1008304721 13107961373