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313140442244 = 22771157515313
BaseRepresentation
bin1001000111010001001…
…11111111010010000100
31002221021021222122202012
410203220213333102010
520112302423122434
6355504342233352
731423624561520
oct4435047772204
91087237878665
10313140442244
11110890686023
1250832125858
13236b5334016
14112283c8d80
15822b1033ce
hex48e89ff484

313140442244 has 24 divisors (see below), whose sum is σ = 635101746048. Its totient is φ = 132312862080.

The previous prime is 313140442129. The next prime is 313140442301. The reversal of 313140442244 is 442244041313.

It is a self number, because there is not a number n which added to its sum of digits gives 313140442244.

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 7 ways as a sum of consecutive naturals, for example, 78755669 + ... + 78759644.

It is an arithmetic number, because the mean of its divisors is an integer number (26462572752).

Almost surely, 2313140442244 is an apocalyptic number.

It is an amenable number.

313140442244 is an abundant number, since it is smaller than the sum of its proper divisors (321961303804).

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

313140442244 is a wasteful number, since it uses less digits than its factorization.

313140442244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157515395 (or 157515393 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 313140442244 its reverse (442244041313), we get a palindrome (755384483557).

The spelling of 313140442244 in words is "three hundred thirteen billion, one hundred forty million, four hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 71 142 284 497 994 1988 157515313 315030626 630061252 1102607191 2205214382 4410428764 11183587223 22367174446 44734348892 78285110561 156570221122 313140442244