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1401210143 = 1997739109
BaseRepresentation
bin101001110000100…
…1100010100011111
310121122121211221222
41103201030110133
510332202211033
6351012443555
746503042524
oct12341142437
93548554858
101401210143
11659a45a13
123313195bb
131943b3538
14d414914b
1583033598
hex5384c51f

1401210143 has 8 divisors (see below), whose sum is σ = 1410228000. Its totient is φ = 1392212448.

The previous prime is 1401210133. The next prime is 1401210149. The reversal of 1401210143 is 3410121041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1401210143 - 24 = 1401210127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401210149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149273 + ... + 158381.

It is an arithmetic number, because the mean of its divisors is an integer number (176278500).

Almost surely, 21401210143 is an apocalyptic number.

1401210143 is a deficient number, since it is larger than the sum of its proper divisors (9017857).

1401210143 is an equidigital number, since it uses as much as digits as its factorization.

1401210143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10081.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1401210143 is about 37432.7415907518. The cubic root of 1401210143 is about 1119.0111762999.

Adding to 1401210143 its reverse (3410121041), we get a palindrome (4811331184).

The spelling of 1401210143 in words is "one billion, four hundred one million, two hundred ten thousand, one hundred forty-three".

Divisors: 1 199 773 9109 153827 1812691 7041257 1401210143