Search a number
-
+
23315140344 = 2331039993419
BaseRepresentation
bin10101101101101100…
…001100111011111000
32020011212112211212110
4111231230030323320
5340222133442334
614413312212320
71453525265046
oct255554147370
966155484773
1023315140344
119984875031
12462823a0a0
13227745b442
1411b26c3396
15916d0eae9
hex56db0cef8

23315140344 has 32 divisors (see below), whose sum is σ = 58294080000. Its totient is φ = 7770882912.

The previous prime is 23315140337. The next prime is 23315140357. The reversal of 23315140344 is 44304151332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202867 + ... + 296285.

It is an arithmetic number, because the mean of its divisors is an integer number (1821690000).

Almost surely, 223315140344 is an apocalyptic number.

23315140344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23315140344 is an abundant number, since it is smaller than the sum of its proper divisors (34978939656).

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

23315140344 is a wasteful number, since it uses less digits than its factorization.

23315140344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103827 (or 103823 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23315140344 its reverse (44304151332), we get a palindrome (67619291676).

The spelling of 23315140344 in words is "twenty-three billion, three hundred fifteen million, one hundred forty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 10399 20798 31197 41596 62394 83192 93419 124788 186838 249576 280257 373676 560514 747352 1121028 2242056 971464181 1942928362 2914392543 3885856724 5828785086 7771713448 11657570172 23315140344