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53680643795968 = 210728346035749
BaseRepresentation
bin11000011010010011111111…
…01101000110110000000000
321001001211010100210220010021
430031021333231012300000
524014000424302432333
6310100314115343224
714210204252452060
oct1415117755066000
9231054110726107
1053680643795968
1116116918a75922
12602b802bb1b14
1323c50a8506337
14d3822ac273a0
15631553eae82d
hex30d27fb46c00

53680643795968 has 176 divisors, whose sum is σ = 123120204832000. Its totient is φ = 22915729833984.

The previous prime is 53680643795921. The next prime is 53680643796023. The reversal of 53680643795968 is 86959734608635.

It is a super-2 number, since 2×536806437959682 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9337385158 + ... + 9337390906.

Almost surely, 253680643795968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53680643795968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61560102416000).

53680643795968 is an abundant number, since it is smaller than the sum of its proper divisors (69439561036032).

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

53680643795968 is a wasteful number, since it uses less digits than its factorization.

53680643795968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10662 (or 10644 counting only the distinct ones).

The product of its (nonzero) digits is 7054387200, while the sum is 79.

The spelling of 53680643795968 in words is "fifty-three trillion, six hundred eighty billion, six hundred forty-three million, seven hundred ninety-five thousand, nine hundred sixty-eight".