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210140144141 = 1931088809037
BaseRepresentation
bin1100001110110101010…
…1000010001000001101
3202002102000202101020112
43003231111002020031
511420331334103031
6240312000325405
721116316516314
oct3035525021015
9662360671215
10210140144141
11811356a6614
1234887613865
1316a7c067475
14a256ac527b
1556ed7b662b
hex30ed54220d

210140144141 has 4 divisors (see below), whose sum is σ = 211228953372. Its totient is φ = 209051334912.

The previous prime is 210140144119. The next prime is 210140144147. The reversal of 210140144141 is 141441041012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19211346025 + 190928798116 = 138605^2 + 436954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-210140144141 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 (210140144147) 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, 544404326 + ... + 544404711.

It is an arithmetic number, because the mean of its divisors is an integer number (52807238343).

Almost surely, 2210140144141 is an apocalyptic number.

It is an amenable number.

210140144141 is a deficient number, since it is larger than the sum of its proper divisors (1088809231).

210140144141 is a wasteful number, since it uses less digits than its factorization.

210140144141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088809230.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 210140144141 its reverse (141441041012), we get a palindrome (351581185153).

The spelling of 210140144141 in words is "two hundred ten billion, one hundred forty million, one hundred forty-four thousand, one hundred forty-one".

Divisors: 1 193 1088809037 210140144141