Base | Representation |
---|---|
bin | 100101010100010111… |
… | …101100101101000111 |
3 | 10211102120011021121012 |
4 | 211110113230231013 |
5 | 1124030433013411 |
6 | 30224043312435 |
7 | 2615656054601 |
oct | 452427545507 |
9 | 124376137535 |
10 | 40070204231 |
11 | 15aa2649572 |
12 | 792351b71b |
13 | 3a17793025 |
14 | 1d21a44171 |
15 | 1097c5318b |
hex | 9545ecb47 |
40070204231 has 2 divisors, whose sum is σ = 40070204232. Its totient is φ = 40070204230.
The previous prime is 40070204221. The next prime is 40070204257. The reversal of 40070204231 is 13240207004.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 40070204231 - 210 = 40070203207 is a prime.
It is a super-2 number, since 2×400702042312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 40070204197 and 40070204206.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40070204221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035102115 + 20035102116.
It is an arithmetic number, because the mean of its divisors is an integer number (20035102116).
Almost surely, 240070204231 is an apocalyptic number.
40070204231 is a deficient number, since it is larger than the sum of its proper divisors (1).
40070204231 is an equidigital number, since it uses as much as digits as its factorization.
40070204231 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1344, while the sum is 23.
The spelling of 40070204231 in words is "forty billion, seventy million, two hundred four thousand, two hundred thirty-one".
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