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30610130325 = 352408135071
BaseRepresentation
bin11100100000100000…
…011000010110010101
32221000021100201211120
4130200200120112111
51000142143132300
622021225154153
72132355546315
oct344040302625
987007321746
1030610130325
1111a88690a75
125b2332b959
132b6a8c9968
1416a54ab445
15be24983a0
hex720818595

30610130325 has 12 divisors (see below), whose sum is σ = 50608748928. Its totient is φ = 16325402800.

The previous prime is 30610130323. The next prime is 30610130347. The reversal of 30610130325 is 52303101603.

It is a happy number.

It is not a de Polignac number, because 30610130325 - 21 = 30610130323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30610130295 and 30610130304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30610130321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204067461 + ... + 204067610.

It is an arithmetic number, because the mean of its divisors is an integer number (4217395744).

Almost surely, 230610130325 is an apocalyptic number.

It is an amenable number.

30610130325 is a deficient number, since it is larger than the sum of its proper divisors (19998618603).

30610130325 is a wasteful number, since it uses less digits than its factorization.

30610130325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408135084 (or 408135079 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 30610130325 its reverse (52303101603), we get a palindrome (82913231928).

The spelling of 30610130325 in words is "thirty billion, six hundred ten million, one hundred thirty thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 75 408135071 1224405213 2040675355 6122026065 10203376775 30610130325