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54831230786887 = 598404711057419
BaseRepresentation
bin11000111011110011001000…
…00010001001110101000111
321012010210222202020001122021
430131321210002021311013
524141323330040140022
6312341041503544011
714356266004510132
oct1435714402116507
9235123882201567
1054831230786887
111651a881371925
1261967b02bb007
132479741843819
14d77bba97d219
15651445b037c7
hex31de64089d47

54831230786887 has 8 divisors (see below), whose sum is σ = 55761242169600. Its totient is φ = 53901241687224.

The previous prime is 54831230786833. The next prime is 54831230786897. The reversal of 54831230786887 is 78868703213845.

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

It is a cyclic number.

It is not a de Polignac number, because 54831230786887 - 227 = 54831096569159 is a prime.

It is a super-2 number, since 2×548312307868872 (a number of 28 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 (54831230786897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569937 + ... + 10487482.

It is an arithmetic number, because the mean of its divisors is an integer number (6970155271200).

Almost surely, 254831230786887 is an apocalyptic number.

54831230786887 is a deficient number, since it is larger than the sum of its proper divisors (930011382713).

54831230786887 is a wasteful number, since it uses less digits than its factorization.

54831230786887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141525.

The product of its (nonzero) digits is 433520640, while the sum is 70.

The spelling of 54831230786887 in words is "fifty-four trillion, eight hundred thirty-one billion, two hundred thirty million, seven hundred eighty-six thousand, eight hundred eighty-seven".

Divisors: 1 59 84047 4958773 11057419 652387721 929342894693 54831230786887