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30650600125 = 53448154721
BaseRepresentation
bin11100100010111010…
…110000101010111101
32221010002111210222001
4130202322300222331
51000233023201000
622025232422301
72133356542135
oct344272605275
987102453861
1030650600125
1111aa9512592
125b349a7991
132b760c92a2
1416aaa03ac5
15be5cde46a
hex722eb0abd

30650600125 has 16 divisors (see below), whose sum is σ = 38261184624. Its totient is φ = 24514560000.

The previous prime is 30650600093. The next prime is 30650600129. The reversal of 30650600125 is 52100605603.

It can be written as a sum of positive squares in 8 ways, for example, as 3382352964 + 27268247161 = 58158^2 + 165131^2 .

It is not a de Polignac number, because 30650600125 - 25 = 30650600093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30650600093 and 30650600102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30650600129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532765 + ... + 587485.

It is an arithmetic number, because the mean of its divisors is an integer number (2391324039).

Almost surely, 230650600125 is an apocalyptic number.

It is an amenable number.

30650600125 is a deficient number, since it is larger than the sum of its proper divisors (7610584499).

30650600125 is an equidigital number, since it uses as much as digits as its factorization.

30650600125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59217 (or 59207 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 30650600125 in words is "thirty billion, six hundred fifty million, six hundred thousand, one hundred twenty-five".

Divisors: 1 5 25 125 4481 22405 54721 112025 273605 560125 1368025 6840125 245204801 1226024005 6130120025 30650600125