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3061381121568 = 2533711314731583
BaseRepresentation
bin101100100011001000100…
…010001100011000100000
3101211122221220200022211000
4230203020202030120200
5400124202031342233
610302213513552000
7434114610116220
oct54431042143040
911748856608730
103061381121568
11a80362918920
12415396415600
131928c1458a93
14a8258d86080
155497835cd13
hex2c8c888c620

3061381121568 has 768 divisors, whose sum is σ = 11736270766080. Its totient is φ = 753117004800.

The previous prime is 3061381121527. The next prime is 3061381121573. The reversal of 3061381121568 is 8651211831603.

3061381121568 is a `hidden beast` number, since 3 + 0 + 6 + 1 + 3 + 81 + 1 + 2 + 1 + 568 = 666.

It is a super-3 number, since 3×30613811215683 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 96915505 + ... + 96947087.

It is an arithmetic number, because the mean of its divisors is an integer number (15281602560).

Almost surely, 23061381121568 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 3061381121568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5868135383040).

3061381121568 is an abundant number, since it is smaller than the sum of its proper divisors (8674889644512).

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

3061381121568 is a wasteful number, since it uses less digits than its factorization.

3061381121568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31698 (or 31684 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 3061381121568 in words is "three trillion, sixty-one billion, three hundred eighty-one million, one hundred twenty-one thousand, five hundred sixty-eight".