Base | Representation |
---|---|
bin | 1000010010111011000… |
… | …0100100100000000111 |
3 | 111121212100112010010011 |
4 | 2010232300210200013 |
5 | 4313334202431002 |
6 | 145245544011051 |
7 | 13203511312210 |
oct | 2045660444007 |
9 | 447770463104 |
10 | 142518405127 |
11 | 55494a1919a |
12 | 23755160a87 |
13 | 10593566947 |
14 | 6c7dcb0407 |
15 | 3a91d858d7 |
hex | 212ec24807 |
142518405127 has 16 divisors (see below), whose sum is σ = 169069803840. Its totient is φ = 117543670272.
The previous prime is 142518405109. The next prime is 142518405137. The reversal of 142518405127 is 721504815241.
It is a de Polignac number, because none of the positive numbers 2k-142518405127 is a prime.
It is a super-2 number, since 2×1425184051272 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 142518405127.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142518405137) 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, 1138578 + ... + 1257535.
It is an arithmetic number, because the mean of its divisors is an integer number (10566862740).
Almost surely, 2142518405127 is an apocalyptic number.
142518405127 is a deficient number, since it is larger than the sum of its proper divisors (26551398713).
142518405127 is a wasteful number, since it uses less digits than its factorization.
142518405127 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2396442.
The product of its (nonzero) digits is 89600, while the sum is 40.
The spelling of 142518405127 in words is "one hundred forty-two billion, five hundred eighteen million, four hundred five thousand, one hundred twenty-seven".
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