Base | Representation |
---|---|
bin | 1100111110110110011… |
… | …1111011110110000111 |
3 | 210022200100021221202120 |
4 | 3033231213323312013 |
5 | 12123231140013111 |
6 | 250243014541023 |
7 | 22053614505105 |
oct | 3175547736607 |
9 | 708610257676 |
10 | 223030001031 |
11 | 8664a691902 |
12 | 37284367773 |
13 | 18054683916 |
14 | ab1a97cc75 |
15 | 5c0520d406 |
hex | 33ed9fbd87 |
223030001031 has 32 divisors (see below), whose sum is σ = 311000497920. Its totient is φ = 142067787264.
The previous prime is 223030001011. The next prime is 223030001057. The reversal of 223030001031 is 130100030322.
It is not a de Polignac number, because 223030001031 - 26 = 223030000967 is a prime.
It is a super-2 number, since 2×2230300010312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 223030001031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223030001011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892671 + ... + 1114863.
It is an arithmetic number, because the mean of its divisors is an integer number (9718765560).
Almost surely, 2223030001031 is an apocalyptic number.
223030001031 is a deficient number, since it is larger than the sum of its proper divisors (87970496889).
223030001031 is a wasteful number, since it uses less digits than its factorization.
223030001031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 222415.
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 223030001031 its reverse (130100030322), we get a palindrome (353130031353).
The spelling of 223030001031 in words is "two hundred twenty-three billion, thirty million, one thousand, thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •