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30156042625 = 53241248341
BaseRepresentation
bin11100000101011100…
…001011000110000001
32212211121220200121121
4130011130023012001
5443224421331000
621504204352241
72115203063422
oct340534130601
985747820547
1030156042625
1111875333185
125a17245681
132ac77cb507
141661067649
15bb769db1a
hex70570b181

30156042625 has 8 divisors (see below), whose sum is σ = 37634741352. Its totient is φ = 24124834000.

The previous prime is 30156042599. The next prime is 30156042629. The reversal of 30156042625 is 52624065103.

It can be written as a sum of positive squares in 4 ways, for example, as 613651984 + 29542390641 = 24772^2 + 171879^2 .

It is not a de Polignac number, because 30156042625 - 25 = 30156042593 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30156042629) 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, 120624046 + ... + 120624295.

It is an arithmetic number, because the mean of its divisors is an integer number (4704342669).

Almost surely, 230156042625 is an apocalyptic number.

It is an amenable number.

30156042625 is a deficient number, since it is larger than the sum of its proper divisors (7478698727).

30156042625 is an equidigital number, since it uses as much as digits as its factorization.

30156042625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241248356 (or 241248346 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 30156042625 in words is "thirty billion, one hundred fifty-six million, forty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 241248341 1206241705 6031208525 30156042625