Base | Representation |
---|---|
bin | 1011110101010111000… |
… | …0000101000101101111 |
3 | 201102202110211021022200 |
4 | 2331111300011011233 |
5 | 11312330321130111 |
6 | 233221250112543 |
7 | 20455005410160 |
oct | 2752560050557 |
9 | 642673737280 |
10 | 203302130031 |
11 | 79246830390 |
12 | 3349957b753 |
13 | 1622c498b80 |
14 | 9ba8893767 |
15 | 544d2e8256 |
hex | 2f55c0516f |
203302130031 has 96 divisors (see below), whose sum is σ = 404939877888. Its totient is φ = 94852581120.
The previous prime is 203302130011. The next prime is 203302130111. The reversal of 203302130031 is 130031203302.
203302130031 is a `hidden beast` number, since 2 + 0 + 330 + 2 + 1 + 300 + 31 = 666.
It is not a de Polignac number, because 203302130031 - 213 = 203302121839 is a prime.
It is a super-2 number, since 2×2033021300312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 203302129986 and 203302130013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (203302130011) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 28380 + ... + 638286.
It is an arithmetic number, because the mean of its divisors is an integer number (4218123728).
Almost surely, 2203302130031 is an apocalyptic number.
203302130031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
203302130031 is a deficient number, since it is larger than the sum of its proper divisors (201637747857).
203302130031 is a wasteful number, since it uses less digits than its factorization.
203302130031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 609981 (or 609978 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 203302130031 its reverse (130031203302), we get a palindrome (333333333333).
It can be divided in two parts, 203302 and 130031, that added together give a palindrome (333333).
The spelling of 203302130031 in words is "two hundred three billion, three hundred two million, one hundred thirty thousand, thirty-one".
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