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13120364467 = 72381492947
BaseRepresentation
bin11000011100000100…
…01101111110110011
31020212101021120110201
430032002031332303
5203332303130332
610005530540031
7643064154310
oct141602157663
936771246421
1013120364467
115623116021
122661b97617
1313112c5792
148c673bd07
1551bcca5e7
hex30e08dfb3

13120364467 has 8 divisors (see below), whose sum is σ = 15646646016. Its totient is φ = 10757068872.

The previous prime is 13120364419. The next prime is 13120364471. The reversal of 13120364467 is 76446302131.

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 13120364467 - 27 = 13120364339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13120364407) 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, 40746313 + ... + 40746634.

It is an arithmetic number, because the mean of its divisors is an integer number (1955830752).

Almost surely, 213120364467 is an apocalyptic number.

13120364467 is a deficient number, since it is larger than the sum of its proper divisors (2526281549).

13120364467 is an equidigital number, since it uses as much as digits as its factorization.

13120364467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81492977.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 13120364467 its reverse (76446302131), we get a palindrome (89566666598).

The spelling of 13120364467 in words is "thirteen billion, one hundred twenty million, three hundred sixty-four thousand, four hundred sixty-seven".

Divisors: 1 7 23 161 81492947 570450629 1874337781 13120364467