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30625554625313 = 154971976224729
BaseRepresentation
bin1101111011010100100010…
…10011011111001100100001
311000102202220120002021200112
412331222101103133030201
513003232113441002223
6145045104025501105
76310423536103064
oct675522123371441
9130382816067615
1030625554625313
1198382521a78aa
123527530341795
131411c924a280b
1477c3db50c8db
15381993372778
hex1bda914df321

30625554625313 has 4 divisors (see below), whose sum is σ = 30627530865540. Its totient is φ = 30623578385088.

The previous prime is 30625554625307. The next prime is 30625554625399. The reversal of 30625554625313 is 31352645552603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29794479898624 + 831074726689 = 5458432^2 + 911633^2 .

It is a cyclic number.

It is not a de Polignac number, because 30625554625313 - 26 = 30625554625249 is a prime.

It is a super-2 number, since 2×306255546253132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30625554625513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988096868 + ... + 988127861.

It is an arithmetic number, because the mean of its divisors is an integer number (7656882716385).

Almost surely, 230625554625313 is an apocalyptic number.

It is an amenable number.

30625554625313 is a deficient number, since it is larger than the sum of its proper divisors (1976240227).

30625554625313 is a wasteful number, since it uses less digits than its factorization.

30625554625313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976240226.

The product of its (nonzero) digits is 9720000, while the sum is 50.

The spelling of 30625554625313 in words is "thirty trillion, six hundred twenty-five billion, five hundred fifty-four million, six hundred twenty-five thousand, three hundred thirteen".

Divisors: 1 15497 1976224729 30625554625313