Base | Representation |
---|---|
bin | 10010110110011101… |
… | …10110011000101111 |
3 | 222010022121102011111 |
4 | 21123032312120233 |
5 | 131211330212111 |
6 | 4352130332451 |
7 | 505540201300 |
oct | 113316663057 |
9 | 28108542144 |
10 | 10120554031 |
11 | 4323875045 |
12 | 1b6542a127 |
13 | c53979613 |
14 | 6c01847a7 |
15 | 3e3772a21 |
hex | 25b3b662f |
10120554031 has 6 divisors (see below), whose sum is σ = 11772889440. Its totient is φ = 8674760556.
The previous prime is 10120554029. The next prime is 10120554043. The reversal of 10120554031 is 13045502101.
It is a happy number.
It is not a de Polignac number, because 10120554031 - 21 = 10120554029 is a prime.
It is a super-2 number, since 2×101205540312 (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 = 10120553993 and 10120554011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120554331) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103270911 + ... + 103271008.
It is an arithmetic number, because the mean of its divisors is an integer number (1962148240).
Almost surely, 210120554031 is an apocalyptic number.
10120554031 is a deficient number, since it is larger than the sum of its proper divisors (1652335409).
10120554031 is an equidigital number, since it uses as much as digits as its factorization.
10120554031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 206541933 (or 206541926 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
It can be divided in two parts, 101205 and 54031, that added together give a square (155236 = 3942).
The spelling of 10120554031 in words is "ten billion, one hundred twenty million, five hundred fifty-four thousand, thirty-one".
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