Search a number
-
+
1140200031 = 31272992651
BaseRepresentation
bin100001111110110…
…0001001001011111
32221110111011101210
41003331201021133
54313342400111
6305050235503
740153353225
oct10375411137
92843434353
101140200031
11535682183
12279a25b93
131522b7599
14ab604b15
156a1770a6
hex43f6125f

1140200031 has 8 divisors (see below), whose sum is σ = 1532237824. Its totient is φ = 754147800.

The previous prime is 1140200021. The next prime is 1140200041. The reversal of 1140200031 is 1300020411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1140200021) and next prime (1140200041).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1140200031 - 211 = 1140197983 is a prime.

It is a super-2 number, since 2×11402000312 = 2600112221384801922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140200011) 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 7 ways as a sum of consecutive naturals, for example, 1495945 + ... + 1496706.

It is an arithmetic number, because the mean of its divisors is an integer number (191529728).

Almost surely, 21140200031 is an apocalyptic number.

1140200031 is a deficient number, since it is larger than the sum of its proper divisors (392037793).

1140200031 is a wasteful number, since it uses less digits than its factorization.

1140200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992781.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1140200031 is about 33766.8481057975. The cubic root of 1140200031 is about 1044.7050230061.

Adding to 1140200031 its reverse (1300020411), we get a palindrome (2440220442).

The spelling of 1140200031 in words is "one billion, one hundred forty million, two hundred thousand, thirty-one".

Divisors: 1 3 127 381 2992651 8977953 380066677 1140200031