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60080188981 = 1087244122643
BaseRepresentation
bin110111111101000011…
…101110111000110101
312202002002110211100111
4313331003232320311
51441021012021411
643333410543021
74224562115551
oct677503567065
9182062424314
1060080188981
112353077824a
12b788897a71
1358862555a7
142c9d3a8861
1518697e2721
hexdfd0eee35

60080188981 has 8 divisors (see below), whose sum is σ = 60162753024. Its totient is φ = 59997677280.

The previous prime is 60080188957. The next prime is 60080189023. The reversal of 60080188981 is 18988108006.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-60080188981 is a prime.

It is a super-2 number, since 2×600801889812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60080185981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2642046 + ... + 2664688.

It is an arithmetic number, because the mean of its divisors is an integer number (7520344128).

Almost surely, 260080188981 is an apocalyptic number.

It is an amenable number.

60080188981 is a deficient number, since it is larger than the sum of its proper divisors (82564043).

60080188981 is a wasteful number, since it uses less digits than its factorization.

60080188981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26171.

The product of its (nonzero) digits is 221184, while the sum is 49.

The spelling of 60080188981 in words is "sixty billion, eighty million, one hundred eighty-eight thousand, nine hundred eighty-one".

Divisors: 1 1087 2441 22643 2653367 24612941 55271563 60080188981