Search a number
-
+
23316311660 = 2251517720633
BaseRepresentation
bin10101101101110000…
…101010111001101100
32020011221202100121112
4111231300222321230
5340222433433120
614413353251152
71453541244005
oct255560527154
966157670545
1023316311660
1199854a5064
124628703ab8
13227777b625
1411b290a1ac
15916e91bc5
hex56dc2ae6c

23316311660 has 24 divisors (see below), whose sum is σ = 49288527456. Its totient is φ = 9264758400.

The previous prime is 23316311653. The next prime is 23316311729. The reversal of 23316311660 is 6611361332.

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, 3857297 + ... + 3863336.

It is an arithmetic number, because the mean of its divisors is an integer number (2053688644).

Almost surely, 223316311660 is an apocalyptic number.

23316311660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23316311660 is an abundant number, since it is smaller than the sum of its proper divisors (25972215796).

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

23316311660 is a wasteful number, since it uses less digits than its factorization.

23316311660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720793 (or 7720791 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

Adding to 23316311660 its reverse (6611361332), we get a palindrome (29927672992).

The spelling of 23316311660 in words is "twenty-three billion, three hundred sixteen million, three hundred eleven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 7720633 15441266 30882532 38603165 77206330 154412660 1165815583 2331631166 4663262332 5829077915 11658155830 23316311660