Base | Representation |
---|---|
bin | 10010110110011011… |
… | …01000000100001111 |
3 | 222010022000010010000 |
4 | 21123031220010033 |
5 | 131211234430411 |
6 | 4352115415343 |
7 | 505534364103 |
oct | 113315500417 |
9 | 28108003100 |
10 | 10120233231 |
11 | 4323676019 |
12 | 1b652b4553 |
13 | c538965b4 |
14 | 6c00dd903 |
15 | 3e370c956 |
hex | 25b36810f |
10120233231 has 20 divisors (see below), whose sum is σ = 15136664400. Its totient is φ = 6738438816.
The previous prime is 10120233133. The next prime is 10120233239. The reversal of 10120233231 is 13233202101.
10120233231 is a `hidden beast` number, since 101 + 202 + 332 + 31 = 666.
It is not a de Polignac number, because 10120233231 - 210 = 10120232207 is a prime.
It is a super-2 number, since 2×101202332312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10120233239) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11691 + ... + 142748.
It is an arithmetic number, because the mean of its divisors is an integer number (756833220).
Almost surely, 210120233231 is an apocalyptic number.
10120233231 is a deficient number, since it is larger than the sum of its proper divisors (5016431169).
10120233231 is an equidigital number, since it uses as much as digits as its factorization.
10120233231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155260 (or 155251 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 10120233231 its reverse (13233202101), we get a palindrome (23353435332).
The spelling of 10120233231 in words is "ten billion, one hundred twenty million, two hundred thirty-three thousand, two hundred thirty-one".
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