Base | Representation |
---|---|
bin | 10011101010010001… |
… | …00110001000110111 |
3 | 1000020121022202200000 |
4 | 21311020212020313 |
5 | 133104102402411 |
6 | 4503212522343 |
7 | 522365026053 |
oct | 116510461067 |
9 | 30217282600 |
10 | 10555122231 |
11 | 4527100615 |
12 | 2066a803b3 |
13 | cc2a02274 |
14 | 721b86c63 |
15 | 41b9b3956 |
hex | 275226237 |
10555122231 has 96 divisors (see below), whose sum is σ = 17831923200. Its totient is φ = 6199649280.
The previous prime is 10555122187. The next prime is 10555122233. The reversal of 10555122231 is 13222155501.
10555122231 is a `hidden beast` number, since 105 + 551 + 2 + 2 + 2 + 3 + 1 = 666.
It is not a de Polignac number, because 10555122231 - 26 = 10555122167 is a prime.
It is a super-2 number, since 2×105551222312 (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 = 10555122195 and 10555122204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10555122233) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6984766 + ... + 6986276.
It is an arithmetic number, because the mean of its divisors is an integer number (185749200).
Almost surely, 210555122231 is an apocalyptic number.
10555122231 is a deficient number, since it is larger than the sum of its proper divisors (7276800969).
10555122231 is a wasteful number, since it uses less digits than its factorization.
10555122231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1651 (or 1639 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
Adding to 10555122231 its reverse (13222155501), we get a palindrome (23777277732).
The spelling of 10555122231 in words is "ten billion, five hundred fifty-five million, one hundred twenty-two thousand, two hundred thirty-one".
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