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30157287316 = 2213579947833
BaseRepresentation
bin11100000101100000…
…111010111110010100
32212211201020221000021
4130011200322332110
5443230231143231
621504251154524
72115216466312
oct340540727624
985751227007
1030157287316
1111876003352
125a17745a44
132ac7b45c10
1416612ad0b2
15bb7847811
hex70583af94

30157287316 has 12 divisors (see below), whose sum is σ = 56834887732. Its totient is φ = 13918747968.

The previous prime is 30157287301. The next prime is 30157287359. The reversal of 30157287316 is 61378275103.

It can be written as a sum of positive squares in 2 ways, for example, as 9642454416 + 20514832900 = 98196^2 + 143230^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289973865 + ... + 289973968.

Almost surely, 230157287316 is an apocalyptic number.

It is an amenable number.

30157287316 is a deficient number, since it is larger than the sum of its proper divisors (26677600416).

30157287316 is a wasteful number, since it uses less digits than its factorization.

30157287316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579947850 (or 579947848 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 30157287316 in words is "thirty billion, one hundred fifty-seven million, two hundred eighty-seven thousand, three hundred sixteen".

Divisors: 1 2 4 13 26 52 579947833 1159895666 2319791332 7539321829 15078643658 30157287316