Base | Representation |
---|---|
bin | 10011000101011000111… |
… | …000000111110101001110 |
3 | 11122101002122002021112021 |
4 | 103011120320013311032 |
5 | 132441330232214210 |
6 | 2442250304200354 |
7 | 163515051124363 |
oct | 23053070076516 |
9 | 4571078067467 |
10 | 1311456132430 |
11 | 466204885034 |
12 | 1922040090ba |
13 | 96892687b22 |
14 | 47690c7246a |
15 | 241a9a64bda |
hex | 13158e07d4e |
1311456132430 has 64 divisors (see below), whose sum is σ = 2589925478400. Its totient is φ = 476271912960.
The previous prime is 1311456132383. The next prime is 1311456132439. The reversal of 1311456132430 is 342316541131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1311456132439) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474195 + ... + 1687534.
It is an arithmetic number, because the mean of its divisors is an integer number (40467585600).
Almost surely, 21311456132430 is an apocalyptic number.
1311456132430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1311456132430 is a deficient number, since it is larger than the sum of its proper divisors (1278469345970).
1311456132430 is a wasteful number, since it uses less digits than its factorization.
1311456132430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2161889.
The product of its (nonzero) digits is 25920, while the sum is 34.
The spelling of 1311456132430 in words is "one trillion, three hundred eleven billion, four hundred fifty-six million, one hundred thirty-two thousand, four hundred thirty".
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