Base | Representation |
---|---|
bin | 10011000101000010001… |
… | …101100111111100011100 |
3 | 11122100010010121010010011 |
4 | 103011002031213330130 |
5 | 132440040412034040 |
6 | 2442144442253004 |
7 | 163502453133565 |
oct | 23050215477434 |
9 | 4570103533104 |
10 | 1311075893020 |
11 | 46602a186593 |
12 | 1921187b7164 |
13 | 968319749aa |
14 | 4765657316c |
15 | 241864a63ea |
hex | 13142367f1c |
1311075893020 has 48 divisors (see below), whose sum is σ = 2826304306560. Its totient is φ = 510698912256.
The previous prime is 1311075892999. The next prime is 1311075893041. The reversal of 1311075893020 is 203985701131.
It is an interprime number because it is at equal distance from previous prime (1311075892999) and next prime (1311075893041).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5568187 + ... + 5798866.
It is an arithmetic number, because the mean of its divisors is an integer number (58881339720).
Almost surely, 21311075893020 is an apocalyptic number.
1311075893020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1311075893020 is an abundant number, since it is smaller than the sum of its proper divisors (1515228413540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1311075893020 is a wasteful number, since it uses less digits than its factorization.
1311075893020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11367214 (or 11367212 counting only the distinct ones).
The product of its (nonzero) digits is 45360, while the sum is 40.
The spelling of 1311075893020 in words is "one trillion, three hundred eleven billion, seventy-five million, eight hundred ninety-three thousand, twenty".
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