Search a number
-
+
23162157660 = 2235386035961
BaseRepresentation
bin10101100100100100…
…100111101001011100
32012210012200112002010
4111210210213221130
5334414003021120
614350205231220
71446660043305
oct254444475134
965705615063
1023162157660
119906485964
1245a4b62510
132251856a45
14119a25d7ac
159086917e0
hex564927a5c

23162157660 has 24 divisors (see below), whose sum is σ = 64854041616. Its totient is φ = 6176575360.

The previous prime is 23162157643. The next prime is 23162157709. The reversal of 23162157660 is 6675126132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193017921 + ... + 193018040.

It is an arithmetic number, because the mean of its divisors is an integer number (2702251734).

Almost surely, 223162157660 is an apocalyptic number.

23162157660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23162157660 is an abundant number, since it is smaller than the sum of its proper divisors (41691883956).

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

23162157660 is a wasteful number, since it uses less digits than its factorization.

23162157660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386035973 (or 386035971 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 23162157660 in words is "twenty-three billion, one hundred sixty-two million, one hundred fifty-seven thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 386035961 772071922 1158107883 1544143844 1930179805 2316215766 3860359610 4632431532 5790539415 7720719220 11581078830 23162157660