Base | Representation |
---|---|
bin | 11101110101010000100000… |
… | …010000110101111101011000 |
3 | 122012112220101202022021022012 |
4 | 131311100200100311331120 |
5 | 114144113124233310230 |
6 | 1143013530301445052 |
7 | 36431055443063234 |
oct | 3565204020657530 |
9 | 565486352267265 |
10 | 131203202244440 |
11 | 38894a6922aa27 |
12 | 12870086b70788 |
13 | 5829541416191 |
14 | 24583a9ad75c4 |
15 | 1027d6a477395 |
hex | 775420435f58 |
131203202244440 has 64 divisors (see below), whose sum is σ = 297922534272000. Its totient is φ = 51998578352640.
The previous prime is 131203202244427. The next prime is 131203202244479. The reversal of 131203202244440 is 44442202302131.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 131203202244397 and 131203202244406.
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, 197782910 + ... + 198445170.
It is an arithmetic number, because the mean of its divisors is an integer number (4655039598000).
Almost surely, 2131203202244440 is an apocalyptic number.
131203202244440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131203202244440 is an abundant number, since it is smaller than the sum of its proper divisors (166719332027560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131203202244440 is a wasteful number, since it uses less digits than its factorization.
131203202244440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 707820 (or 707816 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 32.
Adding to 131203202244440 its reverse (44442202302131), we get a palindrome (175645404546571).
The spelling of 131203202244440 in words is "one hundred thirty-one trillion, two hundred three billion, two hundred two million, two hundred forty-four thousand, four hundred forty".
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