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29791000000 = 2656313
BaseRepresentation
bin11011101111101011…
…101001010111000000
32211220012000121021101
4123233223221113000
5442002444000000
621404044304144
72103151215256
oct335753512700
984805017241
1029791000000
11116a8274263
125934b42054
132a69ca9468
1416287a25d6
15b955e2e6a
hex6efae95c0

29791000000 has 196 divisors, whose sum is σ = 76357772608. Its totient is φ = 11532000000.

The previous prime is 29790999991. The next prime is 29791000051. The reversal of 29791000000 is 19792.

The cubic root of 29791000000 is 3100.

It is a perfect power (a cube), and thus also a powerful number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 960999985 + ... + 961000015.

Almost surely, 229791000000 is an apocalyptic number.

29791000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29791000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38178886304).

29791000000 is an abundant number, since it is smaller than the sum of its proper divisors (46566772608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29791000000 is an frugal number, since it uses more digits than its factorization.

29791000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

Adding to 29791000000 its reverse (19792), we get a palindrome (29791019792).

The spelling of 29791000000 in words is "twenty-nine billion, seven hundred ninety-one million", and thus it is an aban number.