Base | Representation |
---|---|
bin | 10011000100111101110… |
… | …001000100110001000000 |
3 | 11122022220221020101202220 |
4 | 103010331301010301000 |
5 | 132434412313100112 |
6 | 2442133215411040 |
7 | 163500556120404 |
oct | 23047561046100 |
9 | 4568827211686 |
10 | 1311001300032 |
11 | 465aa1068796 |
12 | 1920b7823a80 |
13 | 9681c388728 |
14 | 4764a6b7104 |
15 | 2417eb6e98c |
hex | 1313dc44c40 |
1311001300032 has 112 divisors (see below), whose sum is σ = 3501464371200. Its totient is φ = 432890698240.
The previous prime is 1311001300001. The next prime is 1311001300033. The reversal of 1311001300032 is 2300031001131.
It is a junction number, because it is equal to n+sod(n) for n = 1311001299984 and 1311001300020.
It is not an unprimeable number, because it can be changed into a prime (1311001300033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8689819 + ... + 8839397.
Almost surely, 21311001300032 is an apocalyptic number.
1311001300032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1311001300032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750732185600).
1311001300032 is an abundant number, since it is smaller than the sum of its proper divisors (2190463071168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311001300032 is a wasteful number, since it uses less digits than its factorization.
1311001300032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150024 (or 150014 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 1311001300032 its reverse (2300031001131), we get a palindrome (3611032301163).
The spelling of 1311001300032 in words is "one trillion, three hundred eleven billion, one million, three hundred thousand, thirty-two".
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