Base | Representation |
---|---|
bin | 11100111010011000… |
… | …001110101110111101 |
3 | 2222010112010211102020 |
4 | 130322120032232331 |
5 | 1002034303421110 |
6 | 22132252550353 |
7 | 2146206233550 |
oct | 347230165675 |
9 | 88115124366 |
10 | 31044201405 |
11 | 12190707aa8 |
12 | 60247823b9 |
13 | 2c0980a259 |
14 | 1706dc0697 |
15 | c1a63bd70 |
hex | 73a60ebbd |
31044201405 has 64 divisors (see below), whose sum is σ = 57305664000. Its totient is φ = 14057395200.
The previous prime is 31044201389. The next prime is 31044201469. The reversal of 31044201405 is 50410244013.
It is not a de Polignac number, because 31044201405 - 24 = 31044201389 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6083355 + ... + 6088455.
It is an arithmetic number, because the mean of its divisors is an integer number (895401000).
Almost surely, 231044201405 is an apocalyptic number.
31044201405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
31044201405 is a deficient number, since it is larger than the sum of its proper divisors (26261462595).
31044201405 is a wasteful number, since it uses less digits than its factorization.
31044201405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5654.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 31044201405 its reverse (50410244013), we get a palindrome (81454445418).
The spelling of 31044201405 in words is "thirty-one billion, forty-four million, two hundred one thousand, four hundred five".
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