Base | Representation |
---|---|
bin | 100000010011100100001… |
… | …010100111001101011111 |
3 | 21212020021210012110101200 |
4 | 200103210022213031133 |
5 | 242333110431041111 |
6 | 4415511311210543 |
7 | 316251304045425 |
oct | 40234412471537 |
9 | 7766253173350 |
10 | 2220031112031 |
11 | 786567760a27 |
12 | 2ba30bb16a53 |
13 | 13146a832355 |
14 | 79643035115 |
15 | 3cb34cb6256 |
hex | 204e42a735f |
2220031112031 has 24 divisors (see below), whose sum is σ = 3208561424640. Its totient is φ = 1479167244096.
The previous prime is 2220031111997. The next prime is 2220031112063. The reversal of 2220031112031 is 1302111300222.
2220031112031 is a `hidden beast` number, since 2 + 2 + 200 + 311 + 120 + 31 = 666.
It is not a de Polignac number, because 2220031112031 - 215 = 2220031079263 is a prime.
It is a super-2 number, since 2×22200311120312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2220031111995 and 2220031112013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2220031162031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187925281 + ... + 187937093.
It is an arithmetic number, because the mean of its divisors is an integer number (133690059360).
Almost surely, 22220031112031 is an apocalyptic number.
2220031112031 is a deficient number, since it is larger than the sum of its proper divisors (988530312609).
2220031112031 is a wasteful number, since it uses less digits than its factorization.
2220031112031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22095 (or 22092 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 2220031112031 its reverse (1302111300222), we get a palindrome (3522142412253).
The spelling of 2220031112031 in words is "two trillion, two hundred twenty billion, thirty-one million, one hundred twelve thousand, thirty-one".
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