Base | Representation |
---|---|
bin | 11011011000111000… |
… | …000110001100111100 |
3 | 2210220112001220010212 |
4 | 123120320012030330 |
5 | 440212021403100 |
6 | 21302055451552 |
7 | 2060524113143 |
oct | 333070061474 |
9 | 83815056125 |
10 | 29408387900 |
11 | 115212a5111 |
12 | 5848986bb8 |
13 | 2a08945378 |
14 | 15cda4675a |
15 | b71c16635 |
hex | 6d8e0633c |
29408387900 has 18 divisors (see below), whose sum is σ = 63816201960. Its totient is φ = 11763355120.
The previous prime is 29408387851. The next prime is 29408387933. The reversal of 29408387900 is 978380492.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (50).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147041840 + ... + 147042039.
Almost surely, 229408387900 is an apocalyptic number.
29408387900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29408387900 is an abundant number, since it is smaller than the sum of its proper divisors (34407814060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29408387900 is a wasteful number, since it uses less digits than its factorization.
29408387900 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 294083893 (or 294083886 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 50.
The spelling of 29408387900 in words is "twenty-nine billion, four hundred eight million, three hundred eighty-seven thousand, nine hundred".
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