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725452232928 = 25333403226231
BaseRepresentation
bin10101000111010000101…
…00101001100011100000
32120100112000100210111120
422203220110221203200
543341211232423203
61313133531012240
7103261245144153
oct12435024514340
92510460323446
10725452232928
1125a731966a45
12b872059a080
13535435a25b7
142717d76bc9a
1513d0d809b53
hexa8e85298e0

725452232928 has 48 divisors (see below), whose sum is σ = 1904377539456. Its totient is φ = 241809102720.

The previous prime is 725452232927. The next prime is 725452232951. The reversal of 725452232928 is 829232254527.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725452232927) 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, 3093573 + ... + 3319803.

It is an arithmetic number, because the mean of its divisors is an integer number (39674532072).

Almost surely, 2725452232928 is an apocalyptic number.

It is an amenable number.

725452232928 is an abundant number, since it is smaller than the sum of its proper divisors (1178925306528).

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

725452232928 is a wasteful number, since it uses less digits than its factorization.

725452232928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259647 (or 259639 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 51.

The spelling of 725452232928 in words is "seven hundred twenty-five billion, four hundred fifty-two million, two hundred thirty-two thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 33403 66806 100209 133612 200418 226231 267224 400836 452462 534448 678693 801672 904924 1068896 1357386 1603344 1809848 2714772 3206688 3619696 5429544 7239392 10859088 21718176 7556794093 15113588186 22670382279 30227176372 45340764558 60454352744 90681529116 120908705488 181363058232 241817410976 362726116464 725452232928