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30353302125 = 34532997857
BaseRepresentation
bin11100010001001100…
…101010001001101101
32220100101002111210000
4130101030222021231
5444130421132000
621535532334513
72123116545126
oct342114521155
986311074700
1030353302125
1111966714163
125a71314439
132b29636303
14167d33504d
15bc9b66000
hex71132a26d

30353302125 has 40 divisors (see below), whose sum is σ = 56587567608. Its totient is φ = 16188422400.

The previous prime is 30353302117. The next prime is 30353302157. The reversal of 30353302125 is 52120335303.

30353302125 is a `hidden beast` number, since 3 + 0 + 3 + 533 + 0 + 2 + 125 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8325102564 + 22028199561 = 91242^2 + 148419^2 .

It is not a de Polignac number, because 30353302125 - 23 = 30353302117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1488804 + ... + 1509053.

Almost surely, 230353302125 is an apocalyptic number.

It is an amenable number.

30353302125 is a deficient number, since it is larger than the sum of its proper divisors (26234265483).

30353302125 is an equidigital number, since it uses as much as digits as its factorization.

30353302125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997884 (or 2997865 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

Adding to 30353302125 its reverse (52120335303), we get a palindrome (82473637428).

The spelling of 30353302125 in words is "thirty billion, three hundred fifty-three million, three hundred two thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 125 135 225 375 405 675 1125 2025 3375 10125 2997857 8993571 14989285 26980713 44967855 74946425 80942139 134903565 224839275 242826417 374732125 404710695 674517825 1124196375 1214132085 2023553475 3372589125 6070660425 10117767375 30353302125