Base | Representation |
---|---|
bin | 111000101000100… |
… | …0111001101110101 |
3 | 11220102202211012012 |
4 | 1301101013031311 |
5 | 12342434431123 |
6 | 512322134005 |
7 | 65043244340 |
oct | 16121071565 |
9 | 4812684165 |
10 | 1900311413 |
11 | 895749100 |
12 | 4504b1305 |
13 | 243912530 |
14 | 140549457 |
15 | b1c70378 |
hex | 71447375 |
1900311413 has 24 divisors (see below), whose sum is σ = 2570811264. Its totient is φ = 1366849440.
The previous prime is 1900311409. The next prime is 1900311431. The reversal of 1900311413 is 3141130091.
It is not a de Polignac number, because 1900311413 - 22 = 1900311409 is a prime.
It is a super-2 number, since 2×19003114132 = 7222366932756113138, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1900311403) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75281 + ... + 97302.
It is an arithmetic number, because the mean of its divisors is an integer number (107117136).
Almost surely, 21900311413 is an apocalyptic number.
1900311413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1900311413 is a deficient number, since it is larger than the sum of its proper divisors (670499851).
1900311413 is a wasteful number, since it uses less digits than its factorization.
1900311413 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 172625 (or 172614 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 23.
The square root of 1900311413 is about 43592.5614411450. The cubic root of 1900311413 is about 1238.6299933741.
It can be divided in two parts, 1900 and 311413, that added together give a palindrome (313313).
The spelling of 1900311413 in words is "one billion, nine hundred million, three hundred eleven thousand, four hundred thirteen".
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