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13083232561 = 717509106747
BaseRepresentation
bin11000010111101001…
…00100100100110001
31020202210102002001221
430023310210210301
5203243301420221
610002123025041
7642133433110
oct141364444461
936683362057
1013083232561
1156041642a3
12265166b181
1313066c4539
148c1833c77
155188e3541
hex30bd24931

13083232561 has 8 divisors (see below), whose sum is σ = 14953259840. Its totient is φ = 11213453808.

The previous prime is 13083232517. The next prime is 13083232567. The reversal of 13083232561 is 16523238031.

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 13083232561 - 217 = 13083101489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13083232567) 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, 69190 + ... + 175936.

It is an arithmetic number, because the mean of its divisors is an integer number (1869157480).

Almost surely, 213083232561 is an apocalyptic number.

It is an amenable number.

13083232561 is a deficient number, since it is larger than the sum of its proper divisors (1870027279).

13083232561 is a wasteful number, since it uses less digits than its factorization.

13083232561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124263.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 13083232561 in words is "thirteen billion, eighty-three million, two hundred thirty-two thousand, five hundred sixty-one".

Divisors: 1 7 17509 106747 122563 747229 1869033223 13083232561