Base | Representation |
---|---|
bin | 1011101001000011111… |
… | …1010100010100100111 |
3 | 201010020102012011010002 |
4 | 2322100333110110213 |
5 | 11234100224404111 |
6 | 231513523451515 |
7 | 20310132363311 |
oct | 2722077242447 |
9 | 633212164102 |
10 | 200001013031 |
11 | 779023a3316 |
12 | 32917b26b9b |
13 | 15b245b52c1 |
14 | 99742a67b1 |
15 | 53085c463b |
hex | 2e90fd4527 |
200001013031 has 4 divisors (see below), whose sum is σ = 200039252064. Its totient is φ = 199962774000.
The previous prime is 200001013021. The next prime is 200001013039. The reversal of 200001013031 is 130310100002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-200001013031 is a prime.
It is a super-2 number, since 2×2000010130312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (200001013039) 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, 19111670 + ... + 19122131.
It is an arithmetic number, because the mean of its divisors is an integer number (50009813016).
Almost surely, 2200001013031 is an apocalyptic number.
200001013031 is a deficient number, since it is larger than the sum of its proper divisors (38239033).
200001013031 is an equidigital number, since it uses as much as digits as its factorization.
200001013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38239032.
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 200001013031 its reverse (130310100002), we get a palindrome (330311113033).
The spelling of 200001013031 in words is "two hundred billion, one million, thirteen thousand, thirty-one".
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