Search a number
-
+
211444403141 = 1637896314411
BaseRepresentation
bin1100010011101100010…
…0011000101111000101
3202012202220221121020102
43010323010120233011
511431014231400031
6241045231213445
721163534525556
oct3047304305705
9665686847212
10211444403141
1181744942714
1234b90377285
1316c29333b5a
14a33bdd432d
1557780487cb
hex313b118bc5

211444403141 has 8 divisors (see below), whose sum is σ = 211611857184. Its totient is φ = 211276999120.

The previous prime is 211444403123. The next prime is 211444403161. The reversal of 211444403141 is 141304444112.

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 a de Polignac number, because none of the positive numbers 2k-211444403141 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 (211444403161) 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, 14665226 + ... + 14679636.

It is an arithmetic number, because the mean of its divisors is an integer number (26451482148).

Almost surely, 2211444403141 is an apocalyptic number.

It is an amenable number.

211444403141 is a deficient number, since it is larger than the sum of its proper divisors (167454043).

211444403141 is a wasteful number, since it uses less digits than its factorization.

211444403141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25011.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 211444403141 its reverse (141304444112), we get a palindrome (352748847253).

The spelling of 211444403141 in words is "two hundred eleven billion, four hundred forty-four million, four hundred three thousand, one hundred forty-one".

Divisors: 1 1637 8963 14411 14672431 23590807 129165793 211444403141