Search a number
-
+
161025924916 = 22227177341327
BaseRepresentation
bin1001010111110111100…
…1001001111100110100
3120101122011200112102001
42111331321021330310
510114240114044131
6201550240225044
714430241530643
oct2257571117464
9511564615361
10161025924916
1162321a3379a
122725b30b184
1312252982c9c
147b17c8d35a
1542c6a90261
hex257de49f34

161025924916 has 12 divisors (see below), whose sum is σ = 283036759488. Its totient is φ = 80158279352.

The previous prime is 161025924869. The next prime is 161025924937. The reversal of 161025924916 is 619429520161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88669756 + ... + 88671571.

It is an arithmetic number, because the mean of its divisors is an integer number (23586396624).

Almost surely, 2161025924916 is an apocalyptic number.

It is an amenable number.

161025924916 is a deficient number, since it is larger than the sum of its proper divisors (122010834572).

161025924916 is a wasteful number, since it uses less digits than its factorization.

161025924916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177341558 (or 177341556 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 161025924916 in words is "one hundred sixty-one billion, twenty-five million, nine hundred twenty-four thousand, nine hundred sixteen".

Divisors: 1 2 4 227 454 908 177341327 354682654 709365308 40256481229 80512962458 161025924916