Base | Representation |
---|---|
bin | 10111010011000100010000… |
… | …01101000110001000000111 |
3 | 20201101210102211002100002102 |
4 | 23221202020031012020013 |
5 | 23203343434142303111 |
6 | 300543542400502315 |
7 | 13535302644405332 |
oct | 1351421015061007 |
9 | 221353384070072 |
10 | 51232655041031 |
11 | 153627131578a2 |
12 | 58b529461a99b |
13 | 22782ac477769 |
14 | c91960a29619 |
15 | 5dca2b5c813b |
hex | 2e9888346207 |
51232655041031 has 2 divisors, whose sum is σ = 51232655041032. Its totient is φ = 51232655041030.
The previous prime is 51232655041003. The next prime is 51232655041069. The reversal of 51232655041031 is 13014055623215.
It is an a-pointer prime, because the next prime (51232655041069) can be obtained adding 51232655041031 to its sum of digits (38).
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 51232655041031 - 26 = 51232655040967 is a prime.
It is a super-2 number, since 2×512326550410312 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (51232655041081) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25616327520515 + 25616327520516.
It is an arithmetic number, because the mean of its divisors is an integer number (25616327520516).
Almost surely, 251232655041031 is an apocalyptic number.
51232655041031 is a deficient number, since it is larger than the sum of its proper divisors (1).
51232655041031 is an equidigital number, since it uses as much as digits as its factorization.
51232655041031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 108000, while the sum is 38.
The spelling of 51232655041031 in words is "fifty-one trillion, two hundred thirty-two billion, six hundred fifty-five million, forty-one thousand, thirty-one".
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