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57733744648 = 2313155089451
BaseRepresentation
bin110101110001001100…
…110000100000001000
312112000120020002211211
4311301030300200020
51421214314312043
642304510302504
74112460506146
oct656114604010
9175016202754
1057733744648
1122537214958
12b232ab7a34
1355a109b5a8
142b198ca596
15177d7e9a9d
hexd71330808

57733744648 has 16 divisors (see below), whose sum is σ = 109077114960. Its totient is φ = 28646514000.

The previous prime is 57733744639. The next prime is 57733744681. The reversal of 57733744648 is 84644733775.

It is a happy number.

It is a super-4 number, since 4×577337446484 (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57733744592 and 57733744601.

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 3 ways as a sum of consecutive naturals, for example, 27543678 + ... + 27545773.

It is an arithmetic number, because the mean of its divisors is an integer number (6817319685).

Almost surely, 257733744648 is an apocalyptic number.

It is an amenable number.

57733744648 is a deficient number, since it is larger than the sum of its proper divisors (51343370312).

57733744648 is a wasteful number, since it uses less digits than its factorization.

57733744648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55089588 (or 55089584 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 58.

The spelling of 57733744648 in words is "fifty-seven billion, seven hundred thirty-three million, seven hundred forty-four thousand, six hundred forty-eight".

Divisors: 1 2 4 8 131 262 524 1048 55089451 110178902 220357804 440715608 7216718081 14433436162 28866872324 57733744648