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13128024063 = 371156831273
BaseRepresentation
bin11000011100111110…
…11011111111111111
31020212220200201110110
430032133123333333
5203341233232223
610010403041103
7643216235430
oct141637337777
936786621413
1013128024063
115627477870
122664670193
131312a77c9b
148c7773487
1551c7ded93
hex30e7dbfff

13128024063 has 16 divisors (see below), whose sum is σ = 21823209216. Its totient is φ = 6819752640.

The previous prime is 13128024059. The next prime is 13128024109. The reversal of 13128024063 is 36042082131.

It is not a de Polignac number, because 13128024063 - 22 = 13128024059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13128024063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13128024043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28415406 + ... + 28415867.

It is an arithmetic number, because the mean of its divisors is an integer number (1363950576).

Almost surely, 213128024063 is an apocalyptic number.

13128024063 is a deficient number, since it is larger than the sum of its proper divisors (8695185153).

13128024063 is a wasteful number, since it uses less digits than its factorization.

13128024063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56831294.

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 13128024063 in words is "thirteen billion, one hundred twenty-eight million, twenty-four thousand, sixty-three".

Divisors: 1 3 7 11 21 33 77 231 56831273 170493819 397818911 625144003 1193456733 1875432009 4376008021 13128024063