Base | Representation |
---|---|
bin | 10001111001101001101… |
… | …010101010111000101000 |
3 | 11100121012010002110200021 |
4 | 101321221222222320220 |
5 | 130123303130040130 |
6 | 2341040540450224 |
7 | 154605565500631 |
oct | 21715152527050 |
9 | 4317163073607 |
10 | 1230133440040 |
11 | 43477329164a |
12 | 17a4a9249974 |
13 | 8c0025012bb |
14 | 4377858a888 |
15 | 21eea3c237a |
hex | 11e69aaae28 |
1230133440040 has 32 divisors (see below), whose sum is σ = 2778827355360. Its totient is φ = 490093000000.
The previous prime is 1230133440031. The next prime is 1230133440043. The reversal of 1230133440040 is 400443310321.
It is a junction number, because it is equal to n+sod(n) for n = 1230133439987 and 1230133440014.
It is not an unprimeable number, because it can be changed into a prime (1230133440043) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61251586 + ... + 61271665.
It is an arithmetic number, because the mean of its divisors is an integer number (86838354855).
Almost surely, 21230133440040 is an apocalyptic number.
1230133440040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1230133440040 is an abundant number, since it is smaller than the sum of its proper divisors (1548693915320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230133440040 is a wasteful number, since it uses less digits than its factorization.
1230133440040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122523513 (or 122523509 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 25.
Adding to 1230133440040 its reverse (400443310321), we get a palindrome (1630576750361).
The spelling of 1230133440040 in words is "one trillion, two hundred thirty billion, one hundred thirty-three million, four hundred forty thousand, forty".
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