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30836194415 = 51323181113957
BaseRepresentation
bin11100101101111110…
…101111110001101111
32221121000201222110122
4130231332233301233
51001123031210130
622055502355155
72141102220305
oct345576576157
987530658418
1030836194415
11120942562a4
125b86b8babb
132ba56ab5b0
1416c7516275
15c072502e5
hex72dfafc6f

30836194415 has 32 divisors (see below), whose sum is σ = 41812557696. Its totient is φ = 21660756480.

The previous prime is 30836194399. The next prime is 30836194427. The reversal of 30836194415 is 51449163803.

It is not a de Polignac number, because 30836194415 - 24 = 30836194399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213617 + ... + 327573.

It is an arithmetic number, because the mean of its divisors is an integer number (1306642428).

Almost surely, 230836194415 is an apocalyptic number.

30836194415 is a deficient number, since it is larger than the sum of its proper divisors (10976363281).

30836194415 is a wasteful number, since it uses less digits than its factorization.

30836194415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114179.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 30836194415 in words is "thirty billion, eight hundred thirty-six million, one hundred ninety-four thousand, four hundred fifteen".

Divisors: 1 5 13 23 65 115 181 299 905 1495 2353 4163 11765 20815 54119 113957 270595 569785 1481441 2621011 7407205 13105055 20626217 34073143 103131085 170365715 268140821 474402991 1340704105 2372014955 6167238883 30836194415