Base | Representation |
---|---|
bin | 100101010010011001… |
… | …101000100110001010 |
3 | 10211100020222022200020 |
4 | 211102121220212022 |
5 | 1123444003013013 |
6 | 30220503121310 |
7 | 2615105136000 |
oct | 452231504612 |
9 | 124306868606 |
10 | 40037157258 |
11 | 15a85a2791a |
12 | 7914443236 |
13 | 3a109921c7 |
14 | 1d1b4c0a70 |
15 | 1094dc6623 |
hex | 95266898a |
40037157258 has 32 divisors (see below), whose sum is σ = 93381129600. Its totient is φ = 11439187200.
The previous prime is 40037157253. The next prime is 40037157263. The reversal of 40037157258 is 85275173004.
It is an interprime number because it is at equal distance from previous prime (40037157253) and next prime (40037157263).
It is a super-4 number, since 4×400371572584 (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (40037157253) 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, 9725143 + ... + 9729258.
It is an arithmetic number, because the mean of its divisors is an integer number (2918160300).
Almost surely, 240037157258 is an apocalyptic number.
40037157258 is an abundant number, since it is smaller than the sum of its proper divisors (53343972342).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
40037157258 is a wasteful number, since it uses less digits than its factorization.
40037157258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19454427 (or 19454413 counting only the distinct ones).
The product of its (nonzero) digits is 235200, while the sum is 42.
The spelling of 40037157258 in words is "forty billion, thirty-seven million, one hundred fifty-seven thousand, two hundred fifty-eight".
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