Base | Representation |
---|---|
bin | 11011010111101010… |
… | …010000000011000110 |
3 | 2210212002200010010200 |
4 | 123113222100003012 |
5 | 440141310342443 |
6 | 21300050231330 |
7 | 2060155500615 |
oct | 332752200306 |
9 | 83762603120 |
10 | 29387980998 |
11 | 11510827102 |
12 | 5841b85546 |
13 | 2a0464b98c |
14 | 15cb05387c |
15 | b70034dd3 |
hex | 6d7a900c6 |
29387980998 has 24 divisors (see below), whose sum is σ = 67025220600. Its totient is φ = 9280414944.
The previous prime is 29387980987. The next prime is 29387981027. The reversal of 29387980998 is 89908978392.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42964543 + ... + 42965226.
It is an arithmetic number, because the mean of its divisors is an integer number (2792717525).
Almost surely, 229387980998 is an apocalyptic number.
29387980998 is an abundant number, since it is smaller than the sum of its proper divisors (37637239602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29387980998 is a wasteful number, since it uses less digits than its factorization.
29387980998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 85929796 (or 85929793 counting only the distinct ones).
The product of its (nonzero) digits is 141087744, while the sum is 72.
The spelling of 29387980998 in words is "twenty-nine billion, three hundred eighty-seven million, nine hundred eighty thousand, nine hundred ninety-eight".
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