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48704917831 = 127993805369
BaseRepresentation
bin101101010111000010…
…100001000101000111
311122201022220011212121
4231113002201011013
51244221424332311
634212535230411
73342644653663
oct552702410507
9148638804777
1048704917831
1119723724709
129533218407
13479266730b
14250072d8a3
151400d26b71
hexb570a1147

48704917831 has 4 divisors (see below), whose sum is σ = 48708736000. Its totient is φ = 48701099664.

The previous prime is 48704917823. The next prime is 48704917853. The reversal of 48704917831 is 13871940784.

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 48704917831 - 23 = 48704917823 is a prime.

It is a super-2 number, since 2×487049178312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48704917631) 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, 1889886 + ... + 1915483.

It is an arithmetic number, because the mean of its divisors is an integer number (12177184000).

Almost surely, 248704917831 is an apocalyptic number.

48704917831 is a deficient number, since it is larger than the sum of its proper divisors (3818169).

48704917831 is a wasteful number, since it uses less digits than its factorization.

48704917831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818168.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 48704917831 in words is "forty-eight billion, seven hundred four million, nine hundred seventeen thousand, eight hundred thirty-one".

Divisors: 1 12799 3805369 48704917831