Base | Representation |
---|---|
bin | 10001110011000010010… |
… | …101000011111010100111 |
3 | 11022220212010121210110002 |
4 | 101303002111003322213 |
5 | 130014231414404111 |
6 | 2333504103051515 |
7 | 154234564040432 |
oct | 21630225037247 |
9 | 4286763553402 |
10 | 1223031013031 |
11 | 431759139063 |
12 | 179046740b9b |
13 | 8b43cc14c79 |
14 | 432a31aa819 |
15 | 21c31ac463b |
hex | 11cc2543ea7 |
1223031013031 has 8 divisors (see below), whose sum is σ = 1229232423120. Its totient is φ = 1216842841152.
The previous prime is 1223031013027. The next prime is 1223031013033. The reversal of 1223031013031 is 1303101303221.
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 1223031013031 - 22 = 1223031013027 is a prime.
It is a super-2 number, since 2×12230310130312 (a number of 25 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 = 1223031012994 and 1223031013012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1223031013033) 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, 3124286 + ... + 3493883.
It is an arithmetic number, because the mean of its divisors is an integer number (153654052890).
Almost surely, 21223031013031 is an apocalyptic number.
1223031013031 is a deficient number, since it is larger than the sum of its proper divisors (6201410089).
1223031013031 is an equidigital number, since it uses as much as digits as its factorization.
1223031013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6619105.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 1223031013031 its reverse (1303101303221), we get a palindrome (2526132316252).
The spelling of 1223031013031 in words is "one trillion, two hundred twenty-three billion, thirty-one million, thirteen thousand, thirty-one".
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