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56141621760 = 293577913219
BaseRepresentation
bin110100010010010011…
…010010101000000000
312100220121100212211110
4310102103102220000
51404434223344020
641442513443320
74025145624360
oct642223225000
9170817325743
1056141621760
112189a533414
12aa69870540
1353a9293043
142a082869a0
1516d8b548e0
hexd124d2a00

56141621760 has 320 divisors, whose sum is σ = 207729561600. Its totient is φ = 12668977152.

The previous prime is 56141621719. The next prime is 56141621761. The reversal of 56141621760 is 6712614165.

It is a tau number, because it is divible by the number of its divisors (320).

It is not an unprimeable number, because it can be changed into a prime (56141621761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4240431 + ... + 4253649.

It is an arithmetic number, because the mean of its divisors is an integer number (649154880).

Almost surely, 256141621760 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 56141621760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103864780800).

56141621760 is an abundant number, since it is smaller than the sum of its proper divisors (151587939840).

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

56141621760 is a wasteful number, since it uses less digits than its factorization.

56141621760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13331 (or 13315 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 56141621760 in words is "fifty-six billion, one hundred forty-one million, six hundred twenty-one thousand, seven hundred sixty".