Base | Representation |
---|---|
bin | 11101011101010111111… |
… | …00101100101001101111 |
3 | 10120202200002212212002221 |
4 | 32232223330230221233 |
5 | 113040442221130111 |
6 | 2052555500300211 |
7 | 133062212101111 |
oct | 16565374545157 |
9 | 3522602785087 |
10 | 1012202130031 |
11 | 3602aa794884 |
12 | 144208541667 |
13 | 745b1282021 |
14 | 36dc2c3d3b1 |
15 | 1b4e2b12371 |
hex | ebabf2ca6f |
1012202130031 has 4 divisors (see below), whose sum is σ = 1012666658200. Its totient is φ = 1011737601864.
The previous prime is 1012202130029. The next prime is 1012202130047. The reversal of 1012202130031 is 1300312022101.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1012202130031 - 21 = 1012202130029 is a prime.
It is a super-2 number, since 2×10122021300312 (a number of 25 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 = 1012202129987 and 1012202130014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012202139031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232260816 + ... + 232265173.
It is an arithmetic number, because the mean of its divisors is an integer number (253166664550).
Almost surely, 21012202130031 is an apocalyptic number.
1012202130031 is a deficient number, since it is larger than the sum of its proper divisors (464528169).
1012202130031 is an equidigital number, since it uses as much as digits as its factorization.
1012202130031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 464528168.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 1012202130031 its reverse (1300312022101), we get a palindrome (2312514152132).
The spelling of 1012202130031 in words is "one trillion, twelve billion, two hundred two million, one hundred thirty thousand, thirty-one".
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