Base | Representation |
---|---|
bin | 111111100000010… |
… | …0010110101110110 |
3 | 12111111120100111121 |
4 | 1333000202311312 |
5 | 13330444133032 |
6 | 551235254154 |
7 | 103542630112 |
oct | 17700426566 |
9 | 5444510447 |
10 | 2130849142 |
11 | 9a3899554 |
12 | 4b574a35a |
13 | 27c5cc4a6 |
14 | 162dda742 |
15 | c710ca97 |
hex | 7f022d76 |
2130849142 has 4 divisors (see below), whose sum is σ = 3196273716. Its totient is φ = 1065424570.
The previous prime is 2130849137. The next prime is 2130849157. The reversal of 2130849142 is 2419480312.
It is a semiprime because it is the product of two primes.
It is a junction number, because it is equal to n+sod(n) for n = 2130849098 and 2130849107.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532712284 + ... + 532712287.
It is an arithmetic number, because the mean of its divisors is an integer number (799068429).
Almost surely, 22130849142 is an apocalyptic number.
2130849142 is a deficient number, since it is larger than the sum of its proper divisors (1065424574).
2130849142 is a wasteful number, since it uses less digits than its factorization.
2130849142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1065424573.
The product of its (nonzero) digits is 13824, while the sum is 34.
The square root of 2130849142 is about 46161.1215418343. The cubic root of 2130849142 is about 1286.8193061536.
The spelling of 2130849142 in words is "two billion, one hundred thirty million, eight hundred forty-nine thousand, one hundred forty-two".
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