Base | Representation |
---|---|
bin | 10011000110001011010… |
… | …000101000111110001111 |
3 | 11122110021112122100200021 |
4 | 103012023100220332033 |
5 | 133000043130423211 |
6 | 2442510221443011 |
7 | 163545024012031 |
oct | 23061320507617 |
9 | 4573245570607 |
10 | 1312301420431 |
11 | 4665a8a38461 |
12 | 1923bb110467 |
13 | 96998836441 |
14 | 47731229c51 |
15 | 24208d85771 |
hex | 1318b428f8f |
1312301420431 has 8 divisors (see below), whose sum is σ = 1383475099104. Its totient is φ = 1242304166400.
The previous prime is 1312301420357. The next prime is 1312301420513. The reversal of 1312301420431 is 1340241032131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1312301420431 - 27 = 1312301420303 is a prime.
It is a super-2 number, since 2×13123014204312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1312301420396 and 1312301420405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312301424431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294103870 + ... + 294108331.
It is an arithmetic number, because the mean of its divisors is an integer number (172934387388).
Almost surely, 21312301420431 is an apocalyptic number.
1312301420431 is a deficient number, since it is larger than the sum of its proper divisors (71173678673).
1312301420431 is an equidigital number, since it uses as much as digits as its factorization.
1312301420431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 588212321.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 1312301420431 its reverse (1340241032131), we get a palindrome (2652542452562).
The spelling of 1312301420431 in words is "one trillion, three hundred twelve billion, three hundred one million, four hundred twenty thousand, four hundred thirty-one".
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