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13060028501 = 131004617577
BaseRepresentation
bin11000010100111000…
…00011100001010101
31020201011202012002022
430022130003201111
5203221331403001
65555533422525
7641432260562
oct141234034125
936634665068
1013060028501
1155a2055793
12264593aa45
13130195b920
148bc713869
1551685d11b
hex30a703855

13060028501 has 4 divisors (see below), whose sum is σ = 14064646092. Its totient is φ = 12055410912.

The previous prime is 13060028467. The next prime is 13060028539. The reversal of 13060028501 is 10582006031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7065243025 + 5994785476 = 84055^2 + 77426^2 .

It is a cyclic number.

It is not a de Polignac number, because 13060028501 - 26 = 13060028437 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 (13060028561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502308776 + ... + 502308801.

It is an arithmetic number, because the mean of its divisors is an integer number (3516161523).

Almost surely, 213060028501 is an apocalyptic number.

It is an amenable number.

13060028501 is a deficient number, since it is larger than the sum of its proper divisors (1004617591).

13060028501 is a wasteful number, since it uses less digits than its factorization.

13060028501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004617590.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 13060028501 in words is "thirteen billion, sixty million, twenty-eight thousand, five hundred one".

Divisors: 1 13 1004617577 13060028501