Search a number
-
+
100200131 = 359279109
BaseRepresentation
bin1011111100011…
…10111011000011
320222112200201222
411332032323003
5201122401011
613535345255
72324454443
oct576167303
9228480658
10100200131
1151618929
122968222b
13179b3925
14d444123
158be3ddb
hex5f8eec3

100200131 has 4 divisors (see below), whose sum is σ = 100479600. Its totient is φ = 99920664.

The previous prime is 100200119. The next prime is 100200161. The reversal of 100200131 is 131002001.

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 100200131 - 214 = 100183747 is a prime.

It is a super-2 number, since 2×1002001312 = 20080132504834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100200161) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 139196 + ... + 139913.

It is an arithmetic number, because the mean of its divisors is an integer number (25119900).

Almost surely, 2100200131 is an apocalyptic number.

100200131 is a deficient number, since it is larger than the sum of its proper divisors (279469).

100200131 is an equidigital number, since it uses as much as digits as its factorization.

100200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279468.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100200131 is about 10010.0015484514. The cubic root of 100200131 is about 464.4683189658.

Adding to 100200131 its reverse (131002001), we get a palindrome (231202132).

The spelling of 100200131 in words is "one hundred million, two hundred thousand, one hundred thirty-one".

Divisors: 1 359 279109 100200131