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30257620228257 = 319587904319323
BaseRepresentation
bin1101110000100111001101…
…01101001001100010100001
310222010121012120121022121120
412320103212231021202201
512431220101234301012
6144204054150442453
76242020015243662
oct670234655114241
9128117176538546
1030257620228257
119706203893604
123488167963429
1313b6387162c36
14768695c49369
1537710bac358c
hex1b84e6b498a1

30257620228257 has 16 divisors (see below), whose sum is σ = 42539181000960. Its totient is φ = 19077520416912.

The previous prime is 30257620228249. The next prime is 30257620228267. The reversal of 30257620228257 is 75282202675203.

It is not a de Polignac number, because 30257620228257 - 23 = 30257620228249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30257620228217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452126203 + ... + 452193120.

It is an arithmetic number, because the mean of its divisors is an integer number (2658698812560).

Almost surely, 230257620228257 is an apocalyptic number.

It is an amenable number.

30257620228257 is a deficient number, since it is larger than the sum of its proper divisors (12281560772703).

30257620228257 is a wasteful number, since it uses less digits than its factorization.

30257620228257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904319932.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 30257620228257 in words is "thirty trillion, two hundred fifty-seven billion, six hundred twenty million, two hundred twenty-eight thousand, two hundred fifty-seven".

Divisors: 1 3 19 57 587 1761 11153 33459 904319323 2712957969 17182067137 51546201411 530835442601 1592506327803 10085873409419 30257620228257