Base | Representation |
---|---|
bin | 10011000100000011111… |
… | …101010110100100011010 |
3 | 11122020102100021102010200 |
4 | 103010003331112210122 |
5 | 132430421022041104 |
6 | 2441453052123030 |
7 | 163434541340523 |
oct | 23040375264432 |
9 | 4566370242120 |
10 | 1310031440154 |
11 | 4656436606a8 |
12 | 191a86a66476 |
13 | 966c6472248 |
14 | 4759797384a |
15 | 24124943b39 |
hex | 13103f5691a |
1310031440154 has 96 divisors (see below), whose sum is σ = 3033426127680. Its totient is φ = 407379684096.
The previous prime is 1310031440129. The next prime is 1310031440209. The reversal of 1310031440154 is 4510441300131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81497062 + ... + 81513134.
It is an arithmetic number, because the mean of its divisors is an integer number (31598188830).
Almost surely, 21310031440154 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1310031440154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516713063840).
1310031440154 is an abundant number, since it is smaller than the sum of its proper divisors (1723394687526).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1310031440154 is a wasteful number, since it uses less digits than its factorization.
1310031440154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19724 (or 19721 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 1310031440154 its reverse (4510441300131), we get a palindrome (5820472740285).
The spelling of 1310031440154 in words is "one trillion, three hundred ten billion, thirty-one million, four hundred forty thousand, one hundred fifty-four".
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