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48810285831 = 397167732941
BaseRepresentation
bin101101011101010100…
…011101101100000111
311122222200011102121010
4231131110131230013
51244430413121311
634231221453303
73345364404216
oct553524355407
9148880142533
1048810285831
11197781521aa
129562571233
1347ab43a248
14251071b07d
15140a1dbda6
hexb5d51db07

48810285831 has 8 divisors (see below), whose sum is σ = 65751313264. Its totient is φ = 32204724480.

The previous prime is 48810285829. The next prime is 48810285833. The reversal of 48810285831 is 13858201884.

It is an interprime number because it is at equal distance from previous prime (48810285829) and next prime (48810285833).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48810285831 - 21 = 48810285829 is a prime.

It is a super-2 number, since 2×488102858312 (a number of 22 digits) contains 22 as substring.

It is the 220931-st Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48810285833) by changing a digit.

It is a nontrivial repunit in base 220930.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83866180 + ... + 83866761.

It is an arithmetic number, because the mean of its divisors is an integer number (8218914158).

Almost surely, 248810285831 is an apocalyptic number.

48810285831 is a deficient number, since it is larger than the sum of its proper divisors (16941027433).

48810285831 is a wasteful number, since it uses less digits than its factorization.

48810285831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167733041.

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 48810285831 in words is "forty-eight billion, eight hundred ten million, two hundred eighty-five thousand, eight hundred thirty-one".

Divisors: 1 3 97 291 167732941 503198823 16270095277 48810285831