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4023200131 = 29138731039
BaseRepresentation
bin1110111111001101…
…0010100110000011
3101101101100202001021
43233303102212003
531214414401011
61503115050311
7201461431306
oct35763224603
911341322037
104023200131
111784a9a895
12943440997
134c16855c2
142a2472b3d
15188309471
hexefcd2983

4023200131 has 4 divisors (see below), whose sum is σ = 4161931200. Its totient is φ = 3884469064.

The previous prime is 4023200123. The next prime is 4023200171. The reversal of 4023200131 is 1310023204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4023200131 - 23 = 4023200123 is a prime.

It is a super-2 number, since 2×40232001312 = 32372278588156834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4023200171) 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, 69365491 + ... + 69365548.

It is an arithmetic number, because the mean of its divisors is an integer number (1040482800).

Almost surely, 24023200131 is an apocalyptic number.

4023200131 is a deficient number, since it is larger than the sum of its proper divisors (138731069).

4023200131 is a wasteful number, since it uses less digits than its factorization.

4023200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138731068.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 4023200131 is about 63428.7011612251. The cubic root of 4023200131 is about 1590.4641302904.

Adding to 4023200131 its reverse (1310023204), we get a palindrome (5333223335).

The spelling of 4023200131 in words is "four billion, twenty-three million, two hundred thousand, one hundred thirty-one".

Divisors: 1 29 138731039 4023200131