Search a number
-
+
7493438159427 = 31121436772
BaseRepresentation
bin110110100001011001110…
…1110000011101001000011
3222112100212120220122120110
41231002303232003221003
51440233030132100202
623534234333442403
71402245245263203
oct155026356035103
928470776818513
107493438159427
112429a4953a900
12a10341340403
134248221828ac
141bc981b98403
15cedc521826c
hex6d0b3b83a43

7493438159427 has 18 divisors (see below), whose sum is σ = 10982195171724. Its totient is φ = 4541446063440.

The previous prime is 7493438159419. The next prime is 7493438159447. The reversal of 7493438159427 is 7249518343947.

It is not a de Polignac number, because 7493438159427 - 23 = 7493438159419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7493438159447) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 52082913 + ... + 52226589.

Almost surely, 27493438159427 is an apocalyptic number.

7493438159427 is a deficient number, since it is larger than the sum of its proper divisors (3488757012297).

7493438159427 is an frugal number, since it uses more digits than its factorization.

7493438159427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287379 (or 143691 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 66.

The spelling of 7493438159427 in words is "seven trillion, four hundred ninety-three billion, four hundred thirty-eight million, one hundred fifty-nine thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 121 363 143677 431031 1580447 4741341 17384917 52154751 20643080329 61929240987 227073883619 681221650857 2497812719809 7493438159427