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30620256202625 = 53290429843449
BaseRepresentation
bin1101111011001010101010…
…11111100110111110000001
311000102021020022011112011012
412331211111133212332001
513003140241041441000
6145042430154130305
76310145331205445
oct675452537467601
9130367208145135
1030620256202625
119835a833a3481
1235264b1a20995
13141162987906b
1477c057968825
1538178311e735
hex1bd9557e6f81

30620256202625 has 16 divisors (see below), whose sum is σ = 38214256626000. Its totient is φ = 24496091574400.

The previous prime is 30620256202609. The next prime is 30620256202649. The reversal of 30620256202625 is 52620265202603.

It can be written as a sum of positive squares in 8 ways, for example, as 11678950832704 + 18941305369921 = 3417448^2 + 4352161^2 .

It is not a de Polignac number, because 30620256202625 - 24 = 30620256202609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35881901 + ... + 36725349.

It is an arithmetic number, because the mean of its divisors is an integer number (2388391039125).

Almost surely, 230620256202625 is an apocalyptic number.

It is an amenable number.

30620256202625 is a deficient number, since it is larger than the sum of its proper divisors (7594000423375).

30620256202625 is an equidigital number, since it uses as much as digits as its factorization.

30620256202625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133893 (or 1133883 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 30620256202625 in words is "thirty trillion, six hundred twenty billion, two hundred fifty-six million, two hundred two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 290429 843449 1452145 4217245 7260725 21086225 36303625 105431125 244962049621 1224810248105 6124051240525 30620256202625