Base | Representation |
---|---|
bin | 1001000110000101001001… |
… | …01001100110101100111111 |
3 | 2121210222211110021021100102 |
4 | 10203002210221212230333 |
5 | 10110140231301200111 |
6 | 110311533302351315 |
7 | 4132650603610154 |
oct | 443024451465477 |
9 | 77728743237312 |
10 | 20000130100031 |
11 | 641100a048124 |
12 | 22b01ab12b53b |
13 | b21009235bc3 |
14 | 4d202364622b |
15 | 24a3b14d413b |
hex | 1230a4a66b3f |
20000130100031 has 8 divisors (see below), whose sum is σ = 20026974416064. Its totient is φ = 19973290171680.
The previous prime is 20000130100021. The next prime is 20000130100033. The reversal of 20000130100031 is 13000103100002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20000130100031 - 26 = 20000130099967 is a prime.
It is a super-2 number, since 2×200001301000312 (a number of 27 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 = 20000130099985 and 20000130100021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000130100033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077121 + ... + 10258661.
It is an arithmetic number, because the mean of its divisors is an integer number (2503371802008).
Almost surely, 220000130100031 is an apocalyptic number.
20000130100031 is a deficient number, since it is larger than the sum of its proper divisors (26844316033).
20000130100031 is a wasteful number, since it uses less digits than its factorization.
20000130100031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2193841.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 20000130100031 its reverse (13000103100002), we get a palindrome (33000233200033).
The spelling of 20000130100031 in words is "twenty trillion, one hundred thirty million, one hundred thousand, thirty-one".
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