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13125504513 = 3111943486833
BaseRepresentation
bin11000011100101011…
…10100111000000001
31020212201221201021210
430032111310320001
5203340112121023
610010233040333
7643155643002
oct141625647001
936781851253
1013125504513
1156260068a0
1226638560a9
1313123a5224
148c72b91a9
1551c493593
hex30e574e01

13125504513 has 32 divisors (see below), whose sum is σ = 20563868160. Its totient is φ = 7360899840.

The previous prime is 13125504503. The next prime is 13125504523. The reversal of 13125504513 is 31540552131.

It is an interprime number because it is at equal distance from previous prime (13125504503) and next prime (13125504523).

It is not a de Polignac number, because 13125504513 - 25 = 13125504481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13125504503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216456 + ... + 270377.

It is an arithmetic number, because the mean of its divisors is an integer number (642620880).

Almost surely, 213125504513 is an apocalyptic number.

It is an amenable number.

13125504513 is a deficient number, since it is larger than the sum of its proper divisors (7438363647).

13125504513 is a wasteful number, since it uses less digits than its factorization.

13125504513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486909.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 13125504513 in words is "thirteen billion, one hundred twenty-five million, five hundred four thousand, five hundred thirteen".

Divisors: 1 3 11 19 33 43 57 129 209 473 627 817 1419 2451 8987 26961 486833 1460499 5355163 9249827 16065489 20933819 27749481 62801457 101748097 230272009 305244291 397742561 690816027 1193227683 4375168171 13125504513