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5012512251 = 31670837417
BaseRepresentation
bin1001010101100010…
…01101110111111011
3110221022221000010220
410222301031313323
540231200343001
62145215311123
7235133436225
oct45261156773
913838830126
105012512251
11214248370a
12b7a81b4a3
1361b61caa6
143579db415
151e50c8c36
hex12ac4ddfb

5012512251 has 4 divisors (see below), whose sum is σ = 6683349672. Its totient is φ = 3341674832.

The previous prime is 5012512249. The next prime is 5012512261. The reversal of 5012512251 is 1522152105.

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 5012512251 - 21 = 5012512249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5012512231) 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, 835418706 + ... + 835418711.

It is an arithmetic number, because the mean of its divisors is an integer number (1670837418).

Almost surely, 25012512251 is an apocalyptic number.

5012512251 is a deficient number, since it is larger than the sum of its proper divisors (1670837421).

5012512251 is a wasteful number, since it uses less digits than its factorization.

5012512251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670837420.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 5012512251 is about 70799.0978120484. The cubic root of 5012512251 is about 1711.4011350659.

Adding to 5012512251 its reverse (1522152105), we get a palindrome (6534664356).

The spelling of 5012512251 in words is "five billion, twelve million, five hundred twelve thousand, two hundred fifty-one".

Divisors: 1 3 1670837417 5012512251