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49713570431 = 77101938633
BaseRepresentation
bin101110010011001010…
…001110001001111111
311202022121212001010022
4232103022032021333
51303303133223211
634501010202355
73406643243060
oct562312161177
9152277761108
1049713570431
111a0a10182a8
129774b833bb
1348c3613985
142598690567
15145e666bdb
hexb9328e27f

49713570431 has 4 divisors (see below), whose sum is σ = 56815509072. Its totient is φ = 42611631792.

The previous prime is 49713570419. The next prime is 49713570437. The reversal of 49713570431 is 13407531794.

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 49713570431 - 26 = 49713570367 is a prime.

It is a super-2 number, since 2×497135704312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49713570437) 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, 3550969310 + ... + 3550969323.

It is an arithmetic number, because the mean of its divisors is an integer number (14203877268).

Almost surely, 249713570431 is an apocalyptic number.

49713570431 is a deficient number, since it is larger than the sum of its proper divisors (7101938641).

49713570431 is an equidigital number, since it uses as much as digits as its factorization.

49713570431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101938640.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 49713570431 in words is "forty-nine billion, seven hundred thirteen million, five hundred seventy thousand, four hundred thirty-one".

Divisors: 1 7 7101938633 49713570431