Base | Representation |
---|---|
bin | 101001111000000… |
… | …1010100100001101 |
3 | 10121221000021000101 |
4 | 1103300022210031 |
5 | 10334203310432 |
6 | 351232531101 |
7 | 46551310561 |
oct | 12360124415 |
9 | 3557007011 |
10 | 1405135117 |
11 | 6611868a1 |
12 | 3326b0a91 |
13 | 195158bc9 |
14 | d488b6a1 |
15 | 8355b4e7 |
hex | 53c0a90d |
1405135117 has 2 divisors, whose sum is σ = 1405135118. Its totient is φ = 1405135116.
The previous prime is 1405135103. The next prime is 1405135133. The reversal of 1405135117 is 7115315041.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1079188201 + 325946916 = 32851^2 + 18054^2 .
It is a cyclic number.
It is not a de Polignac number, because 1405135117 - 27 = 1405134989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1405132117) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702567558 + 702567559.
It is an arithmetic number, because the mean of its divisors is an integer number (702567559).
Almost surely, 21405135117 is an apocalyptic number.
It is an amenable number.
1405135117 is a deficient number, since it is larger than the sum of its proper divisors (1).
1405135117 is an equidigital number, since it uses as much as digits as its factorization.
1405135117 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2100, while the sum is 28.
The square root of 1405135117 is about 37485.1319458796. The cubic root of 1405135117 is about 1120.0550347638.
The spelling of 1405135117 in words is "one billion, four hundred five million, one hundred thirty-five thousand, one hundred seventeen".
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