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5122142215 = 51024428443
BaseRepresentation
bin1001100010100110…
…11011000000000111
3111012222012210011221
410301103123000013
540442232022330
62204133141211
7240634330141
oct46123330007
914188183157
105122142215
112199352293
12bab48a807
136382558a8
143683b7c91
151eea31b7a
hex1314db007

5122142215 has 4 divisors (see below), whose sum is σ = 6146570664. Its totient is φ = 4097713768.

The previous prime is 5122142213. The next prime is 5122142237. The reversal of 5122142215 is 5122412215.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5122142215 - 21 = 5122142213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5122142215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5122142213) 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, 512214217 + ... + 512214226.

It is an arithmetic number, because the mean of its divisors is an integer number (1536642666).

Almost surely, 25122142215 is an apocalyptic number.

5122142215 is a deficient number, since it is larger than the sum of its proper divisors (1024428449).

5122142215 is a wasteful number, since it uses less digits than its factorization.

5122142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024428448.

The product of its digits is 1600, while the sum is 25.

The square root of 5122142215 is about 71569.1428969217. The cubic root of 5122142215 is about 1723.7880967537.

The spelling of 5122142215 in words is "five billion, one hundred twenty-two million, one hundred forty-two thousand, two hundred fifteen".

Divisors: 1 5 1024428443 5122142215