Search a number
-
+
21413141143 = 53487829613
BaseRepresentation
bin10011111100010100…
…101001101010010111
32001021022121021110121
4103330110221222113
5322323231004033
613500445532411
71355431460632
oct237424515227
961238537417
1021413141143
119099183969
124197274107
1320333a7924
141071c58c19
15854d5962d
hex4fc529a97

21413141143 has 8 divisors (see below), whose sum is σ = 21861988128. Its totient is φ = 20965954464.

The previous prime is 21413141117. The next prime is 21413141171. The reversal of 21413141143 is 34114131412.

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 21413141143 - 25 = 21413141111 is a prime.

It is a super-2 number, since 2×214131411432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388996 + ... + 440617.

It is an arithmetic number, because the mean of its divisors is an integer number (2732748516).

Almost surely, 221413141143 is an apocalyptic number.

21413141143 is a deficient number, since it is larger than the sum of its proper divisors (448846985).

21413141143 is an equidigital number, since it uses as much as digits as its factorization.

21413141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830153.

The product of its digits is 1152, while the sum is 25.

Adding to 21413141143 its reverse (34114131412), we get a palindrome (55527272555).

The spelling of 21413141143 in words is "twenty-one billion, four hundred thirteen million, one hundred forty-one thousand, one hundred forty-three".

Divisors: 1 53 487 25811 829613 43969489 404021531 21413141143