Base | Representation |
---|---|
bin | 1000010001010001011… |
… | …0100010010101011011 |
3 | 111120201110212202010211 |
4 | 2010110112202111123 |
5 | 4311432243413031 |
6 | 145134000151551 |
7 | 13156521513064 |
oct | 2042426422533 |
9 | 446643782124 |
10 | 142075372891 |
11 | 55287931551 |
12 | 236509085b7 |
13 | 105228395aa |
14 | 6c3b10756b |
15 | 3a68021bb1 |
hex | 21145a255b |
142075372891 has 16 divisors (see below), whose sum is σ = 146584832800. Its totient is φ = 137602540800.
The previous prime is 142075372883. The next prime is 142075372903. The reversal of 142075372891 is 198273570241.
It is a cyclic number.
It is not a de Polignac number, because 142075372891 - 23 = 142075372883 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142075372801) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7751560 + ... + 7769866.
It is an arithmetic number, because the mean of its divisors is an integer number (9161552050).
Almost surely, 2142075372891 is an apocalyptic number.
142075372891 is a deficient number, since it is larger than the sum of its proper divisors (4509459909).
142075372891 is a wasteful number, since it uses less digits than its factorization.
142075372891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19294.
The product of its (nonzero) digits is 846720, while the sum is 49.
The spelling of 142075372891 in words is "one hundred forty-two billion, seventy-five million, three hundred seventy-two thousand, eight hundred ninety-one".
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