Base | Representation |
---|---|
bin | 100101111001001100… |
… | …011010111111001111 |
3 | 10220000121122211000210 |
4 | 211321030122333033 |
5 | 1131312112130241 |
6 | 30405233053503 |
7 | 2640200223330 |
oct | 457114327717 |
9 | 126017584023 |
10 | 40688005071 |
11 | 1628a35547a |
12 | 7a763b7293 |
13 | 3ab578205c |
14 | 1d7db02287 |
15 | 10d20da316 |
hex | 97931afcf |
40688005071 has 16 divisors (see below), whose sum is σ = 65647874304. Its totient is φ = 21882624384.
The previous prime is 40688005049. The next prime is 40688005087. The reversal of 40688005071 is 17050088604.
It is not a de Polignac number, because 40688005071 - 214 = 40687988687 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (40688005271) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56985645 + ... + 56986358.
It is an arithmetic number, because the mean of its divisors is an integer number (4102992144).
Almost surely, 240688005071 is an apocalyptic number.
40688005071 is a deficient number, since it is larger than the sum of its proper divisors (24959869233).
40688005071 is a wasteful number, since it uses less digits than its factorization.
40688005071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113972030.
The product of its (nonzero) digits is 53760, while the sum is 39.
The spelling of 40688005071 in words is "forty billion, six hundred eighty-eight million, five thousand, seventy-one".
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