Base | Representation |
---|---|
bin | 1011111000011100100… |
… | …0100011100110001111 |
3 | 201111220012210102122212 |
4 | 2332013020203212033 |
5 | 11321024420130111 |
6 | 233435403501035 |
7 | 20514355504106 |
oct | 2760710434617 |
9 | 644805712585 |
10 | 204130630031 |
11 | 79631467729 |
12 | 3368ab2777b |
13 | 1633201a063 |
14 | 9c4691b03d |
15 | 549adee98b |
hex | 2f8722398f |
204130630031 has 8 divisors (see below), whose sum is σ = 209491380384. Its totient is φ = 198834858720.
The previous prime is 204130629953. The next prime is 204130630043. The reversal of 204130630031 is 130036031402.
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 204130630031 - 210 = 204130629007 is a prime.
It is a super-2 number, since 2×2041306300312 (a number of 23 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 = 204130629979 and 204130630006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (204130630061) 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, 16238396 + ... + 16250961.
It is an arithmetic number, because the mean of its divisors is an integer number (26186422548).
Almost surely, 2204130630031 is an apocalyptic number.
204130630031 is a deficient number, since it is larger than the sum of its proper divisors (5360750353).
204130630031 is a wasteful number, since it uses less digits than its factorization.
204130630031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32489521.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 204130630031 its reverse (130036031402), we get a palindrome (334166661433).
The spelling of 204130630031 in words is "two hundred four billion, one hundred thirty million, six hundred thirty thousand, thirty-one".
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