Base | Representation |
---|---|
bin | 101101111011101011010001… |
… | …010011000010111100110111 |
3 | 222111021020212112100111010210 |
4 | 231323223101103002330313 |
5 | 202434240112311343111 |
6 | 1553351254214520503 |
7 | 60356646353415246 |
oct | 5573532123027467 |
9 | 874236775314123 |
10 | 202013003231031 |
11 | 59405262946063 |
12 | 1a7a7582066133 |
13 | 889498a7867a5 |
14 | 37c56a544095d |
15 | 1854c4d90b0a6 |
hex | b7bad14c2f37 |
202013003231031 has 16 divisors (see below), whose sum is σ = 283716926432640. Its totient is φ = 127501702976160.
The previous prime is 202013003230981. The next prime is 202013003231071. The reversal of 202013003231031 is 130132300310202.
It is not a de Polignac number, because 202013003231031 - 27 = 202013003230903 is a prime.
It is a super-2 number, since 2×2020130032310312 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 202013003230989 and 202013003231007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202013003231071) 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, 1186816365 + ... + 1186986566.
It is an arithmetic number, because the mean of its divisors is an integer number (17732307902040).
Almost surely, 2202013003231031 is an apocalyptic number.
202013003231031 is a deficient number, since it is larger than the sum of its proper divisors (81703923201609).
202013003231031 is a wasteful number, since it uses less digits than its factorization.
202013003231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2373804446.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 202013003231031 its reverse (130132300310202), we get a palindrome (332145303541233).
The spelling of 202013003231031 in words is "two hundred two trillion, thirteen billion, three million, two hundred thirty-one thousand, thirty-one".
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