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BaseRepresentation
bin1101111111110101…
…01110101010000101
3201101201102221201211
412333322232222011
5110342242423023
63241404251421
7354136561003
oct67772565205
921351387654
107514811013
113206a07816
121558840b71
13929b75648
14514089a73
152deb0aa0d
hex1bfeaea85

7514811013 has 2 divisors, whose sum is σ = 7514811014. Its totient is φ = 7514811012.

The previous prime is 7514811001. The next prime is 7514811023. The reversal of 7514811013 is 3101184157.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6415689604 + 1099121409 = 80098^2 + 33153^2 .

It is an emirp because it is prime and its reverse (3101184157) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7514811013 - 221 = 7512713861 is a prime.

It is a super-2 number, since 2×75148110132 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7514811023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3757405506 + 3757405507.

It is an arithmetic number, because the mean of its divisors is an integer number (3757405507).

Almost surely, 27514811013 is an apocalyptic number.

It is an amenable number.

7514811013 is a deficient number, since it is larger than the sum of its proper divisors (1).

7514811013 is an equidigital number, since it uses as much as digits as its factorization.

7514811013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

The square root of 7514811013 is about 86688.0096264760. The cubic root of 7514811013 is about 1958.7214878941.

The spelling of 7514811013 in words is "seven billion, five hundred fourteen million, eight hundred eleven thousand, thirteen".