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29115825839 = 383463164191
BaseRepresentation
bin11011000111011100…
…000011111010101111
32210011010120012102222
4123013130003322233
5434112122411324
621213045105555
72050342302422
oct330734037257
983133505388
1029115825839
1111391140991
1257869b82bb
13299014cc19
1415a2c4b9b9
15b561c655e
hex6c7703eaf

29115825839 has 8 divisors (see below), whose sum is σ = 29255073792. Its totient is φ = 28976907960.

The previous prime is 29115825811. The next prime is 29115825857. The reversal of 29115825839 is 93852851192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29115825839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29115825539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95234 + ... + 259424.

It is an arithmetic number, because the mean of its divisors is an integer number (3656884224).

Almost surely, 229115825839 is an apocalyptic number.

29115825839 is a deficient number, since it is larger than the sum of its proper divisors (139247953).

29115825839 is a wasteful number, since it uses less digits than its factorization.

29115825839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165037.

The product of its digits is 1555200, while the sum is 53.

The spelling of 29115825839 in words is "twenty-nine billion, one hundred fifteen million, eight hundred twenty-five thousand, eight hundred thirty-nine".

Divisors: 1 383 463 164191 177329 62885153 76020433 29115825839