Base | Representation |
---|---|
bin | 10011001000111010011… |
… | …110110100011111010100 |
3 | 11122201212102021010002202 |
4 | 103020322132310133110 |
5 | 133022103213303140 |
6 | 2444114034224032 |
7 | 164010621214301 |
oct | 23107236643724 |
9 | 4581772233082 |
10 | 1315241150420 |
11 | 46787738307a |
12 | 192a9b725018 |
13 | 970468a7b42 |
14 | 4792d8240a8 |
15 | 2432bec1915 |
hex | 1323a7b47d4 |
1315241150420 has 24 divisors (see below), whose sum is σ = 2762037437544. Its totient is φ = 526090551296.
The previous prime is 1315241150413. The next prime is 1315241150459. The reversal of 1315241150420 is 240511425131.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 184944722704 + 1130296427716 = 430052^2 + 1063154^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1753532 + ... + 2388588.
It is an arithmetic number, because the mean of its divisors is an integer number (115084893231).
Almost surely, 21315241150420 is an apocalyptic number.
1315241150420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1315241150420 is an abundant number, since it is smaller than the sum of its proper divisors (1446796287124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315241150420 is a wasteful number, since it uses less digits than its factorization.
1315241150420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738619 (or 738617 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 29.
Adding to 1315241150420 its reverse (240511425131), we get a palindrome (1555752575551).
The spelling of 1315241150420 in words is "one trillion, three hundred fifteen billion, two hundred forty-one million, one hundred fifty thousand, four hundred twenty".
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