Base | Representation |
---|---|
bin | 11101111000011010110010… |
… | …011100100011010010110111 |
3 | 122020022200000212010121011000 |
4 | 131320122302130203102313 |
5 | 114211142441201331210 |
6 | 1143301411051014343 |
7 | 36452545050246033 |
oct | 3570326234432267 |
9 | 566280025117130 |
10 | 131420403152055 |
11 | 38969097502656 |
12 | 128a61a313a3b3 |
13 | 5843b7723cba4 |
14 | 2464ad24351c3 |
15 | 102d82da5bac0 |
hex | 7786b27234b7 |
131420403152055 has 32 divisors (see below), whose sum is σ = 233695737777600. Its totient is φ = 70073042029056.
The previous prime is 131420403152053. The next prime is 131420403152063. The reversal of 131420403152055 is 550251304024131.
131420403152055 is a `hidden beast` number, since 1 + 3 + 1 + 42 + 0 + 40 + 3 + 1 + 520 + 55 = 666.
It is not a de Polignac number, because 131420403152055 - 21 = 131420403152053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131420403152053) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123354094 + ... + 124414923.
It is an arithmetic number, because the mean of its divisors is an integer number (7302991805550).
Almost surely, 2131420403152055 is an apocalyptic number.
131420403152055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131420403152055 is a deficient number, since it is larger than the sum of its proper divisors (102275334625545).
131420403152055 is a wasteful number, since it uses less digits than its factorization.
131420403152055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 247772960 (or 247772954 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
Adding to 131420403152055 its reverse (550251304024131), we get a palindrome (681671707176186).
The spelling of 131420403152055 in words is "one hundred thirty-one trillion, four hundred twenty billion, four hundred three million, one hundred fifty-two thousand, fifty-five".
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