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56931069191824 = 2418863172
BaseRepresentation
bin11001111000111010011000…
…01001111110011010010000
321110120120001002122101002201
430330131030021332122100
524430224312203114244
6321025434440252544
714664063652452112
oct1474351411763220
9243516032571081
1056931069191824
111715a370406a73
126475757a71154
13259c766288b39
14100b69ac273b2
1568ad93a4aad4
hex33c74c27e690

56931069191824 has 15 divisors (see below), whose sum is σ = 110304005035017. Its totient is φ = 28465519505376.

The previous prime is 56931069191783. The next prime is 56931069191849. The reversal of 56931069191824 is 42819196013965.

The square root of 56931069191824 is 7545268.

It is a perfect power (a square), and thus also a powerful number.

56931069191824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 35449401523600 + 21481667668224 = 5953940^2 + 4634832^2 .

It is a super-2 number, since 2×569310691918242 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29237914 + ... + 31124230.

Almost surely, 256931069191824 is an apocalyptic number.

56931069191824 is the 7545268-th square number.

It is an amenable number.

56931069191824 is a deficient number, since it is larger than the sum of its proper divisors (53372935843193).

56931069191824 is an frugal number, since it uses more digits than its factorization.

56931069191824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772642 (or 1886319 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 56931069191824 in words is "fifty-six trillion, nine hundred thirty-one billion, sixty-nine million, one hundred ninety-one thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 16 1886317 3772634 7545268 15090536 30181072 3558191824489 7116383648978 14232767297956 28465534595912 56931069191824