Base | Representation |
---|---|
bin | 11011010001101100… |
… | …011110101101011010 |
3 | 2210121010100120121200 |
4 | 123101230132231122 |
5 | 434440200331132 |
6 | 21242113215030 |
7 | 2054532026340 |
oct | 332154365532 |
9 | 83533316550 |
10 | 29287902042 |
11 | 1146a291323 |
12 | 5814561476 |
13 | 29b99ab269 |
14 | 15bba41990 |
15 | b66366d7c |
hex | 6d1b1eb5a |
29287902042 has 48 divisors (see below), whose sum is σ = 72538120512. Its totient is φ = 8366160960.
The previous prime is 29287902037. The next prime is 29287902071. The reversal of 29287902042 is 24020978292.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 625942 + ... + 671102.
It is an arithmetic number, because the mean of its divisors is an integer number (1511210844).
Almost surely, 229287902042 is an apocalyptic number.
29287902042 is an abundant number, since it is smaller than the sum of its proper divisors (43250218470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29287902042 is a wasteful number, since it uses less digits than its factorization.
29287902042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50323 (or 50320 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 29287902042 in words is "twenty-nine billion, two hundred eighty-seven million, nine hundred two thousand, forty-two".
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