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5154012521 = 72105183929
BaseRepresentation
bin1001100110011001…
…11111110101101001
3111022012011222000122
410303030333311221
541023411400041
62211232213025
7241502245400
oct46314776551
914265158018
105154012521
11220533a989
12bba09a175
13641a33c68
1436c712637
15202729c4b
hex13333fd69

5154012521 has 6 divisors (see below), whose sum is σ = 5995484010. Its totient is φ = 4417724976.

The previous prime is 5154012481. The next prime is 5154012541. The reversal of 5154012521 is 1252104515.

It can be written as a sum of positive squares in only one way, i.e., 4951092496 + 202920025 = 70364^2 + 14245^2 .

It is not a de Polignac number, because 5154012521 - 218 = 5153750377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5154012541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52591916 + ... + 52592013.

It is an arithmetic number, because the mean of its divisors is an integer number (999247335).

Almost surely, 25154012521 is an apocalyptic number.

It is an amenable number.

5154012521 is a deficient number, since it is larger than the sum of its proper divisors (841471489).

5154012521 is a wasteful number, since it uses less digits than its factorization.

5154012521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105183943 (or 105183936 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 5154012521 is about 71791.4515872189. The cubic root of 5154012521 is about 1727.3558816218.

The spelling of 5154012521 in words is "five billion, one hundred fifty-four million, twelve thousand, five hundred twenty-one".

Divisors: 1 7 49 105183929 736287503 5154012521