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1140211142 = 2781443653
BaseRepresentation
bin100001111110110…
…0011110111000110
32221110111201122022
41003331203313012
54313343224032
6305050403142
740153430510
oct10375436706
92843451568
101140211142
1153568a564
12279a304b2
131522bc665
14ab608bb0
156a17a512
hex43f63dc6

1140211142 has 8 divisors (see below), whose sum is σ = 1954647696. Its totient is φ = 488661912.

The previous prime is 1140211141. The next prime is 1140211151. The reversal of 1140211142 is 2411120411.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1140211142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140211141) 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, 40721813 + ... + 40721840.

It is an arithmetic number, because the mean of its divisors is an integer number (244330962).

Almost surely, 21140211142 is an apocalyptic number.

1140211142 is a deficient number, since it is larger than the sum of its proper divisors (814436554).

1140211142 is an equidigital number, since it uses as much as digits as its factorization.

1140211142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81443662.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1140211142 is about 33767.0126306726. The cubic root of 1140211142 is about 1044.7084164691.

Adding to 1140211142 its reverse (2411120411), we get a palindrome (3551331553).

The spelling of 1140211142 in words is "one billion, one hundred forty million, two hundred eleven thousand, one hundred forty-two".

Divisors: 1 2 7 14 81443653 162887306 570105571 1140211142