Base | Representation |
---|---|
bin | 10010111001010011… |
… | …11011101110110111 |
3 | 222011222112111020211 |
4 | 21130221323232313 |
5 | 131233433243111 |
6 | 4354342210251 |
7 | 506250145450 |
oct | 113451735667 |
9 | 28158474224 |
10 | 10144431031 |
11 | 43362a31a9 |
12 | 1b71423987 |
13 | c588b9617 |
14 | 6c33dc127 |
15 | 3e58dc521 |
hex | 25ca7bbb7 |
10144431031 has 16 divisors (see below), whose sum is σ = 11820026880. Its totient is φ = 8526180960.
The previous prime is 10144431023. The next prime is 10144431047. The reversal of 10144431031 is 13013444101.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 10144431031 - 23 = 10144431023 is a prime.
It is a super-2 number, since 2×101444310312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10144430993 and 10144431011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10144431091) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133026 + ... + 194896.
It is an arithmetic number, because the mean of its divisors is an integer number (738751680).
Almost surely, 210144431031 is an apocalyptic number.
10144431031 is a deficient number, since it is larger than the sum of its proper divisors (1675595849).
10144431031 is an equidigital number, since it uses as much as digits as its factorization.
10144431031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62334.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 10144431031 its reverse (13013444101), we get a palindrome (23157875132).
The spelling of 10144431031 in words is "ten billion, one hundred forty-four million, four hundred thirty-one thousand, thirty-one".
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