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56456401352 = 2313679378647
BaseRepresentation
bin110100100101000100…
…000101000111001000
312101201112200100020212
4310211010011013020
51411110314320402
641534040340252
74036020331211
oct644504050710
9171645610225
1056456401352
1121a41191a3a
12ab37174688
135429567060
142a37dc6408
1517065d2952
hexd251051c8

56456401352 has 64 divisors (see below), whose sum is σ = 115836846720. Its totient is φ = 25637534208.

The previous prime is 56456401327. The next prime is 56456401387. The reversal of 56456401352 is 25310465465.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6524693 + ... + 6533339.

It is an arithmetic number, because the mean of its divisors is an integer number (1809950730).

Almost surely, 256456401352 is an apocalyptic number.

56456401352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56456401352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57918423360).

56456401352 is an abundant number, since it is smaller than the sum of its proper divisors (59380445368).

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

56456401352 is a wasteful number, since it uses less digits than its factorization.

56456401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670 (or 9666 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 56456401352 in words is "fifty-six billion, four hundred fifty-six million, four hundred one thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 67 104 134 268 536 871 937 1742 1874 3484 3748 6968 7496 8647 12181 17294 24362 34588 48724 62779 69176 97448 112411 125558 224822 251116 449644 502232 579349 816127 899288 1158698 1632254 2317396 3264508 4634792 6529016 7531537 8102239 15063074 16204478 30126148 32408956 60252296 64817912 105329107 210658214 421316428 542850013 842632856 1085700026 2171400052 4342800104 7057050169 14114100338 28228200676 56456401352