Search a number
-
+
31448695092864 = 273727322895623
BaseRepresentation
bin1110010011010001110000…
…10011001011011010000000
311010100110120122002120111220
413021220320103023122000
513110223411420432424
6150515155302435040
76424043660453100
oct711507023133200
9133313518076456
1031448695092864
11a025353572345
12363ab74432a80
1314717a365042a
147aa1a6c89200
153980bce6e579
hex1c9a384cb680

31448695092864 has 192 divisors, whose sum is σ = 98505216872640. Its totient is φ = 8862254198784.

The previous prime is 31448695092851. The next prime is 31448695093019. The reversal of 31448695092864 is 46829059684413.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10074244 + ... + 12821379.

It is an arithmetic number, because the mean of its divisors is an integer number (513048004545).

Almost surely, 231448695092864 is an apocalyptic number.

It is an amenable number.

31448695092864 is an abundant number, since it is smaller than the sum of its proper divisors (67056521779776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31448695092864 is a wasteful number, since it uses less digits than its factorization.

31448695092864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22895727 (or 22895708 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 69.

The spelling of 31448695092864 in words is "thirty-one trillion, four hundred forty-eight billion, six hundred ninety-five million, ninety-two thousand, eight hundred sixty-four".