Base | Representation |
---|---|
bin | 1000010100001000101… |
… | …0111001100001111001 |
3 | 111122201001022210222011 |
4 | 2011002022321201321 |
5 | 4320021040332410 |
6 | 145342140125521 |
7 | 13214544411355 |
oct | 2050212714171 |
9 | 448631283864 |
10 | 142844074105 |
11 | 55641835107 |
12 | 238262368a1 |
13 | 10615b81295 |
14 | 6cb1246465 |
15 | 3ab076518a |
hex | 21422b9879 |
142844074105 has 8 divisors (see below), whose sum is σ = 171427867272. Its totient is φ = 114265273728.
The previous prime is 142844074099. The next prime is 142844074117. The reversal of 142844074105 is 501470448241.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 6352249401 + 136491824704 = 79701^2 + 369448^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142844074105 - 213 = 142844065913 is a prime.
It is a Duffinian 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, 1184962 + ... + 1299931.
It is an arithmetic number, because the mean of its divisors is an integer number (21428483409).
Almost surely, 2142844074105 is an apocalyptic number.
It is an amenable number.
142844074105 is a deficient number, since it is larger than the sum of its proper divisors (28583793167).
142844074105 is a wasteful number, since it uses less digits than its factorization.
142844074105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2496395.
The product of its (nonzero) digits is 143360, while the sum is 40.
The spelling of 142844074105 in words is "one hundred forty-two billion, eight hundred forty-four million, seventy-four thousand, one hundred five".
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