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30200216015 = 5174378710499
BaseRepresentation
bin11100001000000100…
…101011100111001111
32212221201000221010002
4130020010223213033
5443322223403030
621512423234515
72116250413004
oct341004534717
985851027102
1030200216015
1111898264312
125a29ba8a3b
132b039c6808
141666c858ab
15bbb4c7245
hex70812b9cf

30200216015 has 32 divisors (see below), whose sum is σ = 39318048000. Its totient is φ = 22179838464.

The previous prime is 30200215967. The next prime is 30200216017. The reversal of 30200216015 is 51061200203.

It is a cyclic number.

It is not a de Polignac number, because 30200216015 - 26 = 30200215951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200216017) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2871236 + ... + 2881734.

It is an arithmetic number, because the mean of its divisors is an integer number (1228689000).

Almost surely, 230200216015 is an apocalyptic number.

30200216015 is a deficient number, since it is larger than the sum of its proper divisors (9117831985).

30200216015 is a wasteful number, since it uses less digits than its factorization.

30200216015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11351.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 30200216015 its reverse (51061200203), we get a palindrome (81261416218).

The spelling of 30200216015 in words is "thirty billion, two hundred million, two hundred sixteen thousand, fifteen".

Divisors: 1 5 17 43 85 215 731 787 3655 3935 10499 13379 33841 52495 66895 169205 178483 451457 575297 892415 2257285 2876485 7674769 8262713 38373845 41313565 140466121 355296659 702330605 1776483295 6040043203 30200216015