Base | Representation |
---|---|
bin | 1000010010010001100… |
… | …1101111001011110111 |
3 | 111121102020120022100100 |
4 | 2010210121233023313 |
5 | 4313010212204130 |
6 | 145220415445143 |
7 | 13166301353025 |
oct | 2044431571367 |
9 | 447366508310 |
10 | 142344647415 |
11 | 5540592a483 |
12 | 23706b267b3 |
13 | 1056656a129 |
14 | 6c64b9d715 |
15 | 3a819b1c60 |
hex | 212466f2f7 |
142344647415 has 12 divisors (see below), whose sum is σ = 246730722264. Its totient is φ = 75917145264.
The previous prime is 142344647411. The next prime is 142344647443. The reversal of 142344647415 is 514746443241.
142344647415 is a `hidden beast` number, since 142 + 3 + 4 + 464 + 7 + 41 + 5 = 666.
It is not a de Polignac number, because 142344647415 - 22 = 142344647411 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3163214387 = 142344647415 / (1 + 4 + 2 + 3 + 4 + 4 + 6 + 4 + 7 + 4 + 1 + 5).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142344647411) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581607149 + ... + 1581607238.
It is an arithmetic number, because the mean of its divisors is an integer number (20560893522).
Almost surely, 2142344647415 is an apocalyptic number.
142344647415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
142344647415 is a deficient number, since it is larger than the sum of its proper divisors (104386074849).
142344647415 is a wasteful number, since it uses less digits than its factorization.
142344647415 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3163214398 (or 3163214395 counting only the distinct ones).
The product of its digits is 1290240, while the sum is 45.
The spelling of 142344647415 in words is "one hundred forty-two billion, three hundred forty-four million, six hundred forty-seven thousand, four hundred fifteen".
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