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29135033231 = 791911930879
BaseRepresentation
bin11011001000100101…
…010101001110001111
32210012110201001000212
4123020211111032033
5434132032030411
621215012513035
72050664460563
oct331045251617
983173631025
1029135033231
11113a0a6a767
12579131b77b
132994116645
1415a560b6a3
15b57c1c68b
hex6c895538f

29135033231 has 8 divisors (see below), whose sum is σ = 29658316800. Its totient is φ = 28615611960.

The previous prime is 29135033203. The next prime is 29135033243. The reversal of 29135033231 is 13233053192.

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

It is a cyclic number.

It is not a de Polignac number, because 29135033231 - 26 = 29135033167 is a prime.

It is a super-2 number, since 2×291350332312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29135033131) 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, 950351 + ... + 980528.

It is an arithmetic number, because the mean of its divisors is an integer number (3707289600).

Almost surely, 229135033231 is an apocalyptic number.

29135033231 is a deficient number, since it is larger than the sum of its proper divisors (523283569).

29135033231 is a wasteful number, since it uses less digits than its factorization.

29135033231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931149.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 29135033231 in words is "twenty-nine billion, one hundred thirty-five million, thirty-three thousand, two hundred thirty-one".

Divisors: 1 79 191 15089 1930879 152539441 368797889 29135033231