Base | Representation |
---|---|
bin | 1101011111000100… |
… | …11010100110010101 |
3 | 200200120100012120001 |
4 | 12233202122212111 |
5 | 104311420030231 |
6 | 3154230211301 |
7 | 344262000244 |
oct | 65742324625 |
9 | 20616305501 |
10 | 7240001941 |
11 | 3085879687 |
12 | 14a07b3b31 |
13 | 8b4c57923 |
14 | 4c979295b |
15 | 2c5925b61 |
hex | 1af89a995 |
7240001941 has 4 divisors (see below), whose sum is σ = 7271617900. Its totient is φ = 7208385984.
The previous prime is 7240001921. The next prime is 7240001953. The reversal of 7240001941 is 1491000427.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 7046930916 + 193071025 = 83946^2 + 13895^2 .
It is a cyclic number.
It is not a de Polignac number, because 7240001941 - 215 = 7239969173 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7240001911) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15807636 + ... + 15808093.
It is an arithmetic number, because the mean of its divisors is an integer number (1817904475).
Almost surely, 27240001941 is an apocalyptic number.
It is an amenable number.
7240001941 is a deficient number, since it is larger than the sum of its proper divisors (31615959).
7240001941 is a wasteful number, since it uses less digits than its factorization.
7240001941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31615958.
The product of its (nonzero) digits is 2016, while the sum is 28.
The square root of 7240001941 is about 85088.2009505431. The cubic root of 7240001941 is about 1934.5482270518.
The spelling of 7240001941 in words is "seven billion, two hundred forty million, one thousand, nine hundred forty-one".
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