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23833357149 = 372401947251
BaseRepresentation
bin10110001100100101…
…000010101101011101
32021111222122222200110
4112030211002231131
5342302314412044
614540543320233
71502420123160
oct261445025535
967458588613
1023833357149
11a120343a88
1247518b0079
13232a9210c4
14122145bad7
159475756b9
hex58c942b5d

23833357149 has 16 divisors (see below), whose sum is σ = 36319777280. Its totient is φ = 13618206000.

The previous prime is 23833357147. The next prime is 23833357169. The reversal of 23833357149 is 94175333832.

It is not a de Polignac number, because 23833357149 - 21 = 23833357147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23833357098 and 23833357107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23833357147) 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 15 ways as a sum of consecutive naturals, for example, 480774 + ... + 528024.

It is an arithmetic number, because the mean of its divisors is an integer number (2269986080).

Almost surely, 223833357149 is an apocalyptic number.

It is an amenable number.

23833357149 is a deficient number, since it is larger than the sum of its proper divisors (12486420131).

23833357149 is a wasteful number, since it uses less digits than its factorization.

23833357149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71280.

The product of its digits is 1632960, while the sum is 48.

The spelling of 23833357149 in words is "twenty-three billion, eight hundred thirty-three million, three hundred fifty-seven thousand, one hundred forty-nine".

Divisors: 1 3 7 21 24019 47251 72057 141753 168133 330757 504399 992271 1134921769 3404765307 7944452383 23833357149