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56969980548 = 22313233137109127
BaseRepresentation
bin110101000011101011…
…001110101010000100
312110001100001212110120
4311003223032222010
51413133303334143
642101024221540
74054524562515
oct650353165204
9173040055416
1056969980548
1122185083658
12b05b16a8b0
1354aba94b80
142a862b4a0c
15173672e383
hexd43acea84

56969980548 has 384 divisors, whose sum is σ = 161077002240. Its totient is φ = 15519651840.

The previous prime is 56969980547. The next prime is 56969980553. The reversal of 56969980548 is 84508996965.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (56969980541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 448582461 + ... + 448582587.

It is an arithmetic number, because the mean of its divisors is an integer number (419471360).

Almost surely, 256969980548 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 56969980548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80538501120).

56969980548 is an abundant number, since it is smaller than the sum of its proper divisors (104107021692).

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

56969980548 is a wasteful number, since it uses less digits than its factorization.

56969980548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 167961600, while the sum is 69.

The spelling of 56969980548 in words is "fifty-six billion, nine hundred sixty-nine million, nine hundred eighty thousand, five hundred forty-eight".