Base | Representation |
---|---|
bin | 11011111000010111… |
… | …011111010011100001 |
3 | 2212021100012111000200 |
4 | 123320113133103201 |
5 | 442302244222011 |
6 | 21430331335413 |
7 | 2106600562320 |
oct | 337027372341 |
9 | 85240174020 |
10 | 29936710881 |
11 | 11772546a80 |
12 | 59758b1569 |
13 | 2a9123600c |
14 | 163dc920b7 |
15 | ba32c6856 |
hex | 6f85df4e1 |
29936710881 has 96 divisors (see below), whose sum is σ = 58925408256. Its totient is φ = 14164416000.
The previous prime is 29936710879. The next prime is 29936710939. The reversal of 29936710881 is 18801763992.
It is not a de Polignac number, because 29936710881 - 21 = 29936710879 is a prime.
It is a super-2 number, since 2×299367108812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29936710801) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 324226 + ... + 406196.
It is an arithmetic number, because the mean of its divisors is an integer number (613806336).
Almost surely, 229936710881 is an apocalyptic number.
29936710881 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
It is an amenable number.
29936710881 is a deficient number, since it is larger than the sum of its proper divisors (28988697375).
29936710881 is a wasteful number, since it uses less digits than its factorization.
29936710881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82043 (or 82040 counting only the distinct ones).
The product of its (nonzero) digits is 1306368, while the sum is 54.
The spelling of 29936710881 in words is "twenty-nine billion, nine hundred thirty-six million, seven hundred ten thousand, eight hundred eighty-one".
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