Search a number
-
+
3011431143 = 37700120483
BaseRepresentation
bin1011001101111110…
…1100101011100111
321202212112112220210
42303133230223213
522131411244033
61214453230503
7134424512430
oct26337545347
97685475823
103011431143
111305968876
12700632433
1338cb87626
14207d40487
151295a0d63
hexb37ecae7

3011431143 has 16 divisors (see below), whose sum is σ = 4589726976. Its totient is φ = 1720488000.

The previous prime is 3011431139. The next prime is 3011431177. The reversal of 3011431143 is 3411341103.

It is not a de Polignac number, because 3011431143 - 22 = 3011431139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011431123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136780 + ... + 157262.

It is an arithmetic number, because the mean of its divisors is an integer number (286857936).

Almost surely, 23011431143 is an apocalyptic number.

3011431143 is a deficient number, since it is larger than the sum of its proper divisors (1578295833).

3011431143 is a wasteful number, since it uses less digits than its factorization.

3011431143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27494.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3011431143 is about 54876.5081159507. The cubic root of 3011431143 is about 1444.0790886706.

Adding to 3011431143 its reverse (3411341103), we get a palindrome (6422772246).

The spelling of 3011431143 in words is "three billion, eleven million, four hundred thirty-one thousand, one hundred forty-three".

Divisors: 1 3 7 21 7001 20483 21003 49007 61449 143381 147021 430143 143401483 430204449 1003810381 3011431143