Base | Representation |
---|---|
bin | 11101111000011010101110… |
… | …110011101100110010111100 |
3 | 122020022122212121021102010202 |
4 | 131320122232303230302330 |
5 | 114211142330040031140 |
6 | 1143301401030423032 |
7 | 36452543406356015 |
oct | 3570325663546274 |
9 | 566278777242122 |
10 | 131420342111420 |
11 | 3896906600094a |
12 | 128a6186801a78 |
13 | 5843b676ba37b |
14 | 2464ac82a600c |
15 | 102d828500915 |
hex | 7786aececcbc |
131420342111420 has 24 divisors (see below), whose sum is σ = 275984609082000. Its totient is φ = 52567776721152.
The previous prime is 131420342111369. The next prime is 131420342111503. The reversal of 131420342111420 is 24111243024131.
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, 19505510 + ... + 25363469.
It is an arithmetic number, because the mean of its divisors is an integer number (11499358711750).
Almost surely, 2131420342111420 is an apocalyptic number.
131420342111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131420342111420 is an abundant number, since it is smaller than the sum of its proper divisors (144564266970580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131420342111420 is a wasteful number, since it uses less digits than its factorization.
131420342111420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45015437 (or 45015435 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 29.
Adding to 131420342111420 its reverse (24111243024131), we get a palindrome (155531585135551).
The spelling of 131420342111420 in words is "one hundred thirty-one trillion, four hundred twenty billion, three hundred forty-two million, one hundred eleven thousand, four hundred twenty".
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