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117830019 = 3436713633
BaseRepresentation
bin1110000010111…
…11000110000011
322012201101101210
413001133012003
5220131030034
615405301203
72630352516
oct701370603
9265641353
10117830019
116056a48a
1233564803
131b547308
1411912d7d
15a5278e9
hex705f183

117830019 has 16 divisors (see below), whose sum is σ = 163171712. Its totient is φ = 75575808.

The previous prime is 117830017. The next prime is 117830029. The reversal of 117830019 is 910038711.

It is not a de Polignac number, because 117830019 - 21 = 117830017 is a prime.

It is a super-2 number, since 2×1178300192 = 27767826755080722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117830017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1827 + ... + 15459.

It is an arithmetic number, because the mean of its divisors is an integer number (10198232).

Almost surely, 2117830019 is an apocalyptic number.

117830019 is a deficient number, since it is larger than the sum of its proper divisors (45341693).

117830019 is a wasteful number, since it uses less digits than its factorization.

117830019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 117830019 is about 10854.9536618081. The cubic root of 117830019 is about 490.2511817833.

The spelling of 117830019 in words is "one hundred seventeen million, eight hundred thirty thousand, nineteen".

Divisors: 1 3 43 67 129 201 2881 8643 13633 40899 586219 913411 1758657 2740233 39276673 117830019