Base | Representation |
---|---|
bin | 100101010001111110… |
… | …111010011101010001 |
3 | 10211022202210102222211 |
4 | 211101332322131101 |
5 | 1123440204340104 |
6 | 30220053032121 |
7 | 2614661453023 |
oct | 452176723521 |
9 | 124282712884 |
10 | 40030152529 |
11 | 15a81a83094 |
12 | 7912025641 |
13 | 3a0c3abab3 |
14 | 1d1a5ba013 |
15 | 1094490e04 |
hex | 951fba751 |
40030152529 has 2 divisors, whose sum is σ = 40030152530. Its totient is φ = 40030152528.
The previous prime is 40030152479. The next prime is 40030152557. The reversal of 40030152529 is 92525103004.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 25569609025 + 14460543504 = 159905^2 + 120252^2 .
It is a cyclic number.
It is not a de Polignac number, because 40030152529 - 27 = 40030152401 is a prime.
It is a super-2 number, since 2×400301525292 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 40030152529.
It is not a weakly prime, because it can be changed into another prime (40030152599) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20015076264 + 20015076265.
It is an arithmetic number, because the mean of its divisors is an integer number (20015076265).
Almost surely, 240030152529 is an apocalyptic number.
It is an amenable number.
40030152529 is a deficient number, since it is larger than the sum of its proper divisors (1).
40030152529 is an equidigital number, since it uses as much as digits as its factorization.
40030152529 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 10800, while the sum is 31.
The spelling of 40030152529 in words is "forty billion, thirty million, one hundred fifty-two thousand, five hundred twenty-nine".
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