Base | Representation |
---|---|
bin | 111111001011111… |
… | …0110110101110101 |
3 | 12110202111110112010 |
4 | 1332113312311311 |
5 | 13320231330112 |
6 | 550214514433 |
7 | 103353155001 |
oct | 17627666565 |
9 | 5422443463 |
10 | 2120183157 |
11 | 998873a94 |
12 | 4b2065a19 |
13 | 27a336761 |
14 | 161821701 |
15 | c620263c |
hex | 7e5f6d75 |
2120183157 has 8 divisors (see below), whose sum is σ = 2833659360. Its totient is φ = 1410081200.
The previous prime is 2120183141. The next prime is 2120183167. The reversal of 2120183157 is 7513810212.
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 2120183157 - 24 = 2120183141 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120183167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842094 + ... + 844607.
It is an arithmetic number, because the mean of its divisors is an integer number (354207420).
Almost surely, 22120183157 is an apocalyptic number.
It is an amenable number.
2120183157 is a deficient number, since it is larger than the sum of its proper divisors (713476203).
2120183157 is a wasteful number, since it uses less digits than its factorization.
2120183157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1687123.
The product of its (nonzero) digits is 3360, while the sum is 30.
The square root of 2120183157 is about 46045.4466478500. The cubic root of 2120183157 is about 1284.6686518170.
Adding to 2120183157 its reverse (7513810212), we get a palindrome (9633993369).
The spelling of 2120183157 in words is "two billion, one hundred twenty million, one hundred eighty-three thousand, one hundred fifty-seven".
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