Base | Representation |
---|---|
bin | 100010100001010111… |
… | …1010001111011000110 |
3 | 21002100112110020020002 |
4 | 1011002233101323012 |
5 | 2203311314300340 |
6 | 54020131441302 |
7 | 5233053513554 |
oct | 1050257217306 |
9 | 232315406202 |
10 | 74134134470 |
11 | 29492871530 |
12 | 1244b456232 |
13 | 6cb5aa1676 |
14 | 3833ac4bd4 |
15 | 1ddd52e715 |
hex | 1142bd1ec6 |
74134134470 has 64 divisors (see below), whose sum is σ = 148861504512. Its totient is φ = 26350272000.
The previous prime is 74134134449. The next prime is 74134134479. The reversal of 74134134470 is 7443143147.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74134134479) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4184030 + ... + 4201710.
It is an arithmetic number, because the mean of its divisors is an integer number (2325961008).
Almost surely, 274134134470 is an apocalyptic number.
74134134470 is an abundant number, since it is smaller than the sum of its proper divisors (74727370042).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74134134470 is a wasteful number, since it uses less digits than its factorization.
74134134470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18557.
The product of its (nonzero) digits is 112896, while the sum is 38.
The spelling of 74134134470 in words is "seventy-four billion, one hundred thirty-four million, one hundred thirty-four thousand, four hundred seventy".
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