Base | Representation |
---|---|
bin | 10001111010110110111… |
… | …101111111100111111010 |
3 | 11100201112111110101112122 |
4 | 101322312331333213322 |
5 | 130133432132220404 |
6 | 2341413350041242 |
7 | 154652664165320 |
oct | 21726675774772 |
9 | 4321474411478 |
10 | 1231430351354 |
11 | 43527936a285 |
12 | 17a7ab649222 |
13 | 8c17b0c7448 |
14 | 4385c905d10 |
15 | 220741a23be |
hex | 11eb6f7f9fa |
1231430351354 has 16 divisors (see below), whose sum is σ = 2111106976128. Its totient is φ = 527734985712.
The previous prime is 1231430351309. The next prime is 1231430351363. The reversal of 1231430351354 is 4531530341321.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370717 + ... + 2083680.
It is an arithmetic number, because the mean of its divisors is an integer number (131944186008).
Almost surely, 21231430351354 is an apocalyptic number.
1231430351354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1231430351354 is a deficient number, since it is larger than the sum of its proper divisors (879676624774).
1231430351354 is a wasteful number, since it uses less digits than its factorization.
1231430351354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3479869.
The product of its (nonzero) digits is 64800, while the sum is 35.
Adding to 1231430351354 its reverse (4531530341321), we get a palindrome (5762960692675).
The spelling of 1231430351354 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-one thousand, three hundred fifty-four".
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