Base | Representation |
---|---|
bin | 11011000110100100… |
… | …101001010011110011 |
3 | 2210010010020011021100 |
4 | 123012210221103303 |
5 | 434044413031211 |
6 | 21211405455443 |
7 | 2050104650055 |
oct | 330644512363 |
9 | 83103204240 |
10 | 29101298931 |
11 | 11383a19681 |
12 | 5781b71583 |
13 | 298a134a13 |
14 | 15a0d498d5 |
15 | b54ca7156 |
hex | 6c69294f3 |
29101298931 has 24 divisors (see below), whose sum is σ = 43169518080. Its totient is φ = 18881953776.
The previous prime is 29101298911. The next prime is 29101298951. The reversal of 29101298931 is 13989210192.
It is an interprime number because it is at equal distance from previous prime (29101298911) and next prime (29101298951).
It is not a de Polignac number, because 29101298931 - 234 = 11921429747 is a prime.
It is a super-2 number, since 2×291012989312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (29101298911) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116455 + ... + 267888.
It is an arithmetic number, because the mean of its divisors is an integer number (1798729920).
Almost surely, 229101298931 is an apocalyptic number.
29101298931 is a deficient number, since it is larger than the sum of its proper divisors (14068219149).
29101298931 is a wasteful number, since it uses less digits than its factorization.
29101298931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 384575 (or 384572 counting only the distinct ones).
The product of its (nonzero) digits is 69984, while the sum is 45.
The spelling of 29101298931 in words is "twenty-nine billion, one hundred one million, two hundred ninety-eight thousand, nine hundred thirty-one".
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