Base | Representation |
---|---|
bin | 11011101001000010… |
… | …011101111101110111 |
3 | 2211121102021221211022 |
4 | 123221002131331313 |
5 | 441240430322020 |
6 | 21345023331355 |
7 | 2100325642235 |
oct | 335102357567 |
9 | 84542257738 |
10 | 29679542135 |
11 | 11650367321 |
12 | 5903750b5b |
13 | 2a4cb83669 |
14 | 1617a6b955 |
15 | b8a928625 |
hex | 6e909df77 |
29679542135 has 32 divisors (see below), whose sum is σ = 39165880320. Its totient is φ = 21505910400.
The previous prime is 29679542083. The next prime is 29679542159. The reversal of 29679542135 is 53124597692.
It is a happy number.
It is not a de Polignac number, because 29679542135 - 26 = 29679542071 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183725 + ... + 305145.
It is an arithmetic number, because the mean of its divisors is an integer number (1223933760).
Almost surely, 229679542135 is an apocalyptic number.
29679542135 is a deficient number, since it is larger than the sum of its proper divisors (9486338185).
29679542135 is a wasteful number, since it uses less digits than its factorization.
29679542135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121559.
The product of its digits is 4082400, while the sum is 53.
The spelling of 29679542135 in words is "twenty-nine billion, six hundred seventy-nine million, five hundred forty-two thousand, one hundred thirty-five".
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