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513151414129 = 2971172720099
BaseRepresentation
bin1110111011110100011…
…01010010111101110001
31211001112101220202211201
413131322031102331301
531401413230223004
61031423303411201
752034241023524
oct7357215227561
91731471822751
10513151414129
111886986605a2
1283551453b01
133950b9c5223
141ab9db24bbb
15d5354e36a4
hex777a352f71

513151414129 has 4 divisors (see below), whose sum is σ = 513324137200. Its totient is φ = 512978691060.

The previous prime is 513151414091. The next prime is 513151414133. The reversal of 513151414129 is 921414151315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513151414129 - 213 = 513151405937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513151414169) 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, 86357079 + ... + 86363020.

It is an arithmetic number, because the mean of its divisors is an integer number (128331034300).

Almost surely, 2513151414129 is an apocalyptic number.

It is an amenable number.

513151414129 is a deficient number, since it is larger than the sum of its proper divisors (172723071).

513151414129 is a wasteful number, since it uses less digits than its factorization.

513151414129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172723070.

The product of its digits is 21600, while the sum is 37.

The spelling of 513151414129 in words is "five hundred thirteen billion, one hundred fifty-one million, four hundred fourteen thousand, one hundred twenty-nine".

Divisors: 1 2971 172720099 513151414129