Base | Representation |
---|---|
bin | 100101011100100111… |
… | …100010111110101111 |
3 | 10211210012112022120111 |
4 | 211130213202332233 |
5 | 1124321343421211 |
6 | 30245505200451 |
7 | 2622256155232 |
oct | 453447427657 |
9 | 124705468514 |
10 | 40208576431 |
11 | 16063769661 |
12 | 7961930127 |
13 | 3a3a35047a |
14 | 1d36183419 |
15 | 10a4e87421 |
hex | 95c9e2faf |
40208576431 has 2 divisors, whose sum is σ = 40208576432. Its totient is φ = 40208576430.
The previous prime is 40208576399. The next prime is 40208576489. The reversal of 40208576431 is 13467580204.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 40208576431 - 25 = 40208576399 is a prime.
It is a super-2 number, since 2×402085764312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (40208576231) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20104288215 + 20104288216.
It is an arithmetic number, because the mean of its divisors is an integer number (20104288216).
Almost surely, 240208576431 is an apocalyptic number.
40208576431 is a deficient number, since it is larger than the sum of its proper divisors (1).
40208576431 is an equidigital number, since it uses as much as digits as its factorization.
40208576431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 40208576431 in words is "forty billion, two hundred eight million, five hundred seventy-six thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •