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13048860887 = 73696125679
BaseRepresentation
bin11000010011100010…
…11101000011010111
31020200101201210222222
430021301131003113
5203211002022022
65554454212555
7641235326126
oct141161350327
936611653888
1013048860887
115596818357
12264205415b
1312cc54b77a
148bb047abd
155158a4242
hex309c5d0d7

13048860887 has 8 divisors (see below), whose sum is σ = 13230027840. Its totient is φ = 12867759360.

The previous prime is 13048860863. The next prime is 13048860889. The reversal of 13048860887 is 78806884031.

It is a happy number.

13048860887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13048860887 - 26 = 13048860823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048860889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495314 + ... + 520992.

It is an arithmetic number, because the mean of its divisors is an integer number (1653753480).

Almost surely, 213048860887 is an apocalyptic number.

13048860887 is a deficient number, since it is larger than the sum of its proper divisors (181166953).

13048860887 is an equidigital number, since it uses as much as digits as its factorization.

13048860887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32713.

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 13048860887 in words is "thirteen billion, forty-eight million, eight hundred sixty thousand, eight hundred eighty-seven".

Divisors: 1 73 6961 25679 508153 1874567 178751519 13048860887