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29057795085 = 3511237656863
BaseRepresentation
bin11011000011111110…
…101100010000001101
32210000002100221012210
4123003332230100031
5434002243420320
621203213221033
72046036116514
oct330376542015
983002327183
1029057795085
1111361405590
12576b491779
1329811123b7
14159926367b
15b510620e0
hex6c3fac40d

29057795085 has 32 divisors (see below), whose sum is σ = 52924243968. Its totient is φ = 13476077120.

The previous prime is 29057795083. The next prime is 29057795087. The reversal of 29057795085 is 58059775092.

It is an interprime number because it is at equal distance from previous prime (29057795083) and next prime (29057795087).

It is not a de Polignac number, because 29057795085 - 21 = 29057795083 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29057795083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3824637 + ... + 3832226.

It is an arithmetic number, because the mean of its divisors is an integer number (1653882624).

Almost surely, 229057795085 is an apocalyptic number.

It is an amenable number.

29057795085 is a deficient number, since it is larger than the sum of its proper divisors (23866448883).

29057795085 is a wasteful number, since it uses less digits than its factorization.

29057795085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7656905.

The product of its (nonzero) digits is 7938000, while the sum is 57.

The spelling of 29057795085 in words is "twenty-nine billion, fifty-seven million, seven hundred ninety-five thousand, eighty-five".

Divisors: 1 3 5 11 15 23 33 55 69 115 165 253 345 759 1265 3795 7656863 22970589 38284315 84225493 114852945 176107849 252676479 421127465 528323547 880539245 1263382395 1937186339 2641617735 5811559017 9685931695 29057795085