Base | Representation |
---|---|
bin | 11001010111111001… |
… | …01100100000101011 |
3 | 1022011100122010212000 |
4 | 30223330230200223 |
5 | 210344242430011 |
6 | 10131415422043 |
7 | 661400033253 |
oct | 145374544053 |
9 | 38140563760 |
10 | 13622233131 |
11 | 5860439411 |
12 | 2782084923 |
13 | 13912832a0 |
14 | 93325c963 |
15 | 54adb2356 |
hex | 32bf2c82b |
13622233131 has 48 divisors (see below), whose sum is σ = 22337532000. Its totient is φ = 8156059776.
The previous prime is 13622233129. The next prime is 13622233139. The reversal of 13622233131 is 13133222631.
13622233131 is a `hidden beast` number, since 1 + 3 + 622 + 2 + 3 + 3 + 1 + 31 = 666.
It is not a de Polignac number, because 13622233131 - 21 = 13622233129 is a prime.
It is a super-2 number, since 2×136222331312 (a number of 21 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 = 13622233095 and 13622233104.
It is not an unprimeable number, because it can be changed into a prime (13622233139) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 466345 + ... + 494693.
It is an arithmetic number, because the mean of its divisors is an integer number (465365250).
Almost surely, 213622233131 is an apocalyptic number.
13622233131 is a deficient number, since it is larger than the sum of its proper divisors (8715298869).
13622233131 is a wasteful number, since it uses less digits than its factorization.
13622233131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28445 (or 28402 counting only the distinct ones).
The product of its digits is 3888, while the sum is 27.
Adding to 13622233131 its reverse (13133222631), we get a palindrome (26755455762).
It can be divided in two parts, 13622 and 233131, that added together give a triangular number (246753 = T702).
The spelling of 13622233131 in words is "thirteen billion, six hundred twenty-two million, two hundred thirty-three thousand, one hundred thirty-one".
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