Base | Representation |
---|---|
bin | 100000000100110101111… |
… | …011100100100010000111 |
3 | 21210201111002111202112000 |
4 | 200010311323210202013 |
5 | 242103222044001211 |
6 | 4404334525200343 |
7 | 315151462426041 |
oct | 40046573444207 |
9 | 7721432452460 |
10 | 2204223031431 |
11 | 77a89548a003 |
12 | 2b7239a000b3 |
13 | 12cb1b7643c5 |
14 | 78983780a91 |
15 | 3c50c080656 |
hex | 20135ee4887 |
2204223031431 has 32 divisors (see below), whose sum is σ = 3424395288000. Its totient is φ = 1399374434304.
The previous prime is 2204223031427. The next prime is 2204223031447. The reversal of 2204223031431 is 1341303224022.
2204223031431 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 223 + 0 + 3 + 1 + 431 = 666.
It is not a de Polignac number, because 2204223031431 - 22 = 2204223031427 is a prime.
It is a super-2 number, since 2×22042230314312 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 2204223031395 and 2204223031404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2204223031421) 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, 19224346 + ... + 19338663.
It is an arithmetic number, because the mean of its divisors is an integer number (107012352750).
Almost surely, 22204223031431 is an apocalyptic number.
2204223031431 is a deficient number, since it is larger than the sum of its proper divisors (1220172256569).
2204223031431 is a wasteful number, since it uses less digits than its factorization.
2204223031431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38563120 (or 38563114 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 2204223031431 its reverse (1341303224022), we get a palindrome (3545526255453).
The spelling of 2204223031431 in words is "two trillion, two hundred four billion, two hundred twenty-three million, thirty-one thousand, four hundred thirty-one".
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