Search a number
-
+
16442212541 = 172271209939
BaseRepresentation
bin11110101000000100…
…00100000010111101
31120102212220221100212
433110002010002331
5232133201300131
611315313402205
71121311333466
oct172402040275
946385827325
1016442212541
116a78222707
12322a569365
131720587461
14b1d9a3d6d
15663746a2b
hex3d40840bd

16442212541 has 12 divisors (see below), whose sum is σ = 17530829760. Its totient is φ = 15417846720.

The previous prime is 16442212513. The next prime is 16442212547. The reversal of 16442212541 is 14521224461.

It is not a de Polignac number, because 16442212541 - 218 = 16441950397 is a prime.

It is a super-3 number, since 3×164422125413 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442212498 and 16442212507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442212547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26651 + ... + 183288.

It is an arithmetic number, because the mean of its divisors is an integer number (1460902480).

Almost surely, 216442212541 is an apocalyptic number.

It is an amenable number.

16442212541 is a deficient number, since it is larger than the sum of its proper divisors (1088617219).

16442212541 is a wasteful number, since it uses less digits than its factorization.

16442212541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210244 (or 210227 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The spelling of 16442212541 in words is "sixteen billion, four hundred forty-two million, two hundred twelve thousand, five hundred forty-one".

Divisors: 1 17 271 289 4607 78319 209939 3568963 56893469 60672371 967188973 16442212541