Base | Representation |
---|---|
bin | 10001111011101011100… |
… | …001100111000100111111 |
3 | 11100210210221122000201120 |
4 | 101323223201213010333 |
5 | 130142233344300411 |
6 | 2342041045042023 |
7 | 155013562022436 |
oct | 21735341470477 |
9 | 4323727560646 |
10 | 1232312103231 |
11 | 435691068540 |
12 | 17a9b69b6313 |
13 | 8c28b9a1c11 |
14 | 43903a7211d |
15 | 220c67c7106 |
hex | 11eeb86713f |
1232312103231 has 64 divisors (see below), whose sum is σ = 1987945390080. Its totient is φ = 670213146240.
The previous prime is 1232312103221. The next prime is 1232312103247. The reversal of 1232312103231 is 1323012132321.
It is not a de Polignac number, because 1232312103231 - 217 = 1232311972159 is a prime.
It is a super-2 number, since 2×12323121032312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1232312103221) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1070545 + ... + 1900181.
It is an arithmetic number, because the mean of its divisors is an integer number (31061646720).
Almost surely, 21232312103231 is an apocalyptic number.
1232312103231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1232312103231 is a deficient number, since it is larger than the sum of its proper divisors (755633286849).
1232312103231 is a wasteful number, since it uses less digits than its factorization.
1232312103231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 829796.
The product of its (nonzero) digits is 1296, while the sum is 24.
Adding to 1232312103231 its reverse (1323012132321), we get a palindrome (2555324235552).
The spelling of 1232312103231 in words is "one trillion, two hundred thirty-two billion, three hundred twelve million, one hundred three thousand, two hundred thirty-one".
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