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65056137030 = 232517294793061
BaseRepresentation
bin111100100101101001…
…011101111101000110
320012220212121011211200
4330211221131331012
52031213332341110
645515242443330
74462103016663
oct744551357506
9205825534750
1065056137030
1125654547705
1210737203546
13619a112651
1432121a8a6a
151a5b5976c0
hexf25a5df46

65056137030 has 192 divisors, whose sum is σ = 185718873600. Its totient is φ = 15726735360.

The previous prime is 65056136917. The next prime is 65056137049. The reversal of 65056137030 is 3073165056.

It is a happy number.

65056137030 is a `hidden beast` number, since 6 + 5 + 0 + 5 + 613 + 7 + 0 + 30 = 666.

It is a super-2 number, since 2×650561370302 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21251700 + ... + 21254760.

It is an arithmetic number, because the mean of its divisors is an integer number (967285800).

Almost surely, 265056137030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65056137030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92859436800).

65056137030 is an abundant number, since it is smaller than the sum of its proper divisors (120662736570).

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

65056137030 is a wasteful number, since it uses less digits than its factorization.

65056137030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599 (or 3596 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 65056137030 in words is "sixty-five billion, fifty-six million, one hundred thirty-seven thousand, thirty".