Base | Representation |
---|---|
bin | 11000110010100000100101… |
… | …11011010010000111001101 |
3 | 21011000022002222001121001020 |
4 | 30121100102323102013031 |
5 | 24121111130331421110 |
6 | 311534253034104353 |
7 | 14324236141435440 |
oct | 1431202273220715 |
9 | 234008088047036 |
10 | 54512042451405 |
11 | 16407477924130 |
12 | 614497087b0b9 |
13 | 2455604545566 |
14 | d6657b279657 |
15 | 647eb3aa6d70 |
hex | 319412ed21cd |
54512042451405 has 128 divisors (see below), whose sum is σ = 113489100103680. Its totient is φ = 21665501045760.
The previous prime is 54512042451379. The next prime is 54512042451413. The reversal of 54512042451405 is 50415424021545.
It is not a de Polignac number, because 54512042451405 - 28 = 54512042451149 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 150415999 + ... + 150777971.
It is an arithmetic number, because the mean of its divisors is an integer number (886633594560).
Almost surely, 254512042451405 is an apocalyptic number.
54512042451405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54512042451405 is an abundant number, since it is smaller than the sum of its proper divisors (58977057652275).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54512042451405 is a wasteful number, since it uses less digits than its factorization.
54512042451405 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367691.
The product of its (nonzero) digits is 640000, while the sum is 42.
The spelling of 54512042451405 in words is "fifty-four trillion, five hundred twelve billion, forty-two million, four hundred fifty-one thousand, four hundred five".
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