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5126403631 = 29176772539
BaseRepresentation
bin1001100011000111…
…01011011000101111
3111020021020021202011
410301203223120233
540444324404011
62204404342051
7241015466116
oct46143533057
914207207664
105126403631
1121a07a2a18
12bb09a4927
136390b843b
14368ba6c7d
152000c4621
hex1318eb62f

5126403631 has 4 divisors (see below), whose sum is σ = 5303176200. Its totient is φ = 4949631064.

The previous prime is 5126403593. The next prime is 5126403671. The reversal of 5126403631 is 1363046215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1363046215 = 5272609243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5126403631 is a prime.

It is a super-2 number, since 2×51264036312 = 52560028375859968322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5126403593 and 5126403602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5126403671) 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, 88386241 + ... + 88386298.

It is an arithmetic number, because the mean of its divisors is an integer number (1325794050).

Almost surely, 25126403631 is an apocalyptic number.

5126403631 is a deficient number, since it is larger than the sum of its proper divisors (176772569).

5126403631 is a wasteful number, since it uses less digits than its factorization.

5126403631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176772568.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 5126403631 is about 71598.9080293827. The cubic root of 5126403631 is about 1724.2660049985.

Adding to 5126403631 its reverse (1363046215), we get a palindrome (6489449846).

The spelling of 5126403631 in words is "five billion, one hundred twenty-six million, four hundred three thousand, six hundred thirty-one".

Divisors: 1 29 176772539 5126403631