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30841246825 = 522353636951
BaseRepresentation
bin11100101110010010…
…000001010001101001
32221121101020200001221
4130232102001101221
51001130324344300
622100202542041
72141163162334
oct345622012151
987541220057
1030841246825
1112097097244
125b88807921
132ba675a19c
1416c806d61b
15c078ec31a
hex72e481469

30841246825 has 12 divisors (see below), whose sum is σ = 39905892288. Its totient is φ = 23600258000.

The previous prime is 30841246783. The next prime is 30841246829. The reversal of 30841246825 is 52864214803.

It is a happy number.

It is not a de Polignac number, because 30841246825 - 27 = 30841246697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30841246829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26817901 + ... + 26819050.

It is an arithmetic number, because the mean of its divisors is an integer number (3325491024).

Almost surely, 230841246825 is an apocalyptic number.

It is an amenable number.

30841246825 is a deficient number, since it is larger than the sum of its proper divisors (9064645463).

30841246825 is a wasteful number, since it uses less digits than its factorization.

30841246825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53636984 (or 53636979 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 30841246825 in words is "thirty billion, eight hundred forty-one million, two hundred forty-six thousand, eight hundred twenty-five".

Divisors: 1 5 23 25 115 575 53636951 268184755 1233649873 1340923775 6168249365 30841246825