Base | Representation |
---|---|
bin | 1001001000001011… |
… | …11001001110010101 |
3 | 110122112010210111102 |
4 | 10210011321032111 |
5 | 40014011222211 |
6 | 2130134315445 |
7 | 232303332134 |
oct | 44405711625 |
9 | 13575123442 |
10 | 4900492181 |
11 | 2095222342 |
12 | b491b8b85 |
13 | 60135b120 |
14 | 346b9b91b |
15 | 1da34ca3b |
hex | 124179395 |
4900492181 has 8 divisors (see below), whose sum is σ = 5459434680. Its totient is φ = 4367547072.
The previous prime is 4900492099. The next prime is 4900492189. The reversal of 4900492181 is 1812940094.
It can be written as a sum of positive squares in 4 ways, for example, as 997991281 + 3902500900 = 31591^2 + 62470^2 .
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 4900492181 - 210 = 4900491157 is a prime.
It is a super-2 number, since 2×49004921812 = 48029647232084273522, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4900492189) 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, 6498950 + ... + 6499703.
It is an arithmetic number, because the mean of its divisors is an integer number (682429335).
Almost surely, 24900492181 is an apocalyptic number.
It is an amenable number.
4900492181 is a deficient number, since it is larger than the sum of its proper divisors (558942499).
4900492181 is a wasteful number, since it uses less digits than its factorization.
4900492181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12998695.
The product of its (nonzero) digits is 20736, while the sum is 38.
The square root of 4900492181 is about 70003.5154902952. The cubic root of 4900492181 is about 1698.5561189814.
The spelling of 4900492181 in words is "four billion, nine hundred million, four hundred ninety-two thousand, one hundred eighty-one".
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