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30566531305061 = 996728759106637
BaseRepresentation
bin1101111001100110100110…
…01111011000111001100101
311000020010120010021221200022
412330303103033120321211
513001300224003230221
6145002023131124525
76303234066131153
oct674632317307145
9130203503257608
1030566531305061
119815214065794
123517bb95a3745
1314095471a904b
147795dc6563d3
1538018b7464ab
hex1bccd33d8e65

30566531305061 has 8 divisors (see below), whose sum is σ = 30570947715840. Its totient is φ = 30562115185008.

The previous prime is 30566531305031. The next prime is 30566531305091. The reversal of 30566531305061 is 16050313566503.

It is an interprime number because it is at equal distance from previous prime (30566531305031) and next prime (30566531305091).

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-30566531305061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30566531305031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286587635 + ... + 286694271.

It is an arithmetic number, because the mean of its divisors is an integer number (3821368464480).

Almost surely, 230566531305061 is an apocalyptic number.

It is an amenable number.

30566531305061 is a deficient number, since it is larger than the sum of its proper divisors (4416410779).

30566531305061 is a wasteful number, since it uses less digits than its factorization.

30566531305061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145363.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 30566531305061 in words is "thirty trillion, five hundred sixty-six billion, five hundred thirty-one million, three hundred five thousand, sixty-one".

Divisors: 1 9967 28759 106637 286640953 1062850979 3066773483 30566531305061