Search a number
-
+
1232940243904 = 26431672682731
BaseRepresentation
bin10001111100010000111…
…101110001101111000000
311100212102201120212201221
4101330100331301233000
5130200030200301104
62342223244204424
7155035260104365
oct21742075615700
94325381525657
101232940243904
11435983696966
1217ab51239714
138c35bb713a5
144396326246c
1522111a02c54
hex11f10f71bc0

1232940243904 has 56 divisors (see below), whose sum is σ = 2518505877888. Its totient is φ = 598527793920.

The previous prime is 1232940243901. The next prime is 1232940243937. The reversal of 1232940243904 is 4093420492321.

It is a super-2 number, since 2×12329402439042 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232940243901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 881782 + ... + 1800949.

It is an arithmetic number, because the mean of its divisors is an integer number (44973319248).

Almost surely, 21232940243904 is an apocalyptic number.

It is an amenable number.

1232940243904 is an abundant number, since it is smaller than the sum of its proper divisors (1285565633984).

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

1232940243904 is a wasteful number, since it uses less digits than its factorization.

1232940243904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682953 (or 2682943 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 1232940243904 in words is "one trillion, two hundred thirty-two billion, nine hundred forty million, two hundred forty-three thousand, nine hundred four".

Divisors: 1 2 4 8 16 32 43 64 86 167 172 334 344 668 688 1336 1376 2672 2752 5344 7181 10688 14362 28724 57448 114896 229792 459584 2682731 5365462 10730924 21461848 42923696 85847392 115357433 171694784 230714866 448016077 461429732 896032154 922859464 1792064308 1845718928 3584128616 3691437856 7168257232 7382875712 14336514464 19264691311 28673028928 38529382622 77058765244 154117530488 308235060976 616470121952 1232940243904