Search a number
-
+
27108537069 = 321142825493
BaseRepresentation
bin11001001111110010…
…110111001011101101
32120222020111100220110
4121033302313023231
5421004241141234
620241542010233
71646526522525
oct311762671355
976866440813
1027108537069
1110551076149
125306716979
1327303230a3
141452416685
15a89d741e9
hex64fcb72ed

27108537069 has 8 divisors (see below), whose sum is σ = 36316018912. Its totient is φ = 17986706640.

The previous prime is 27108537019. The next prime is 27108537097. The reversal of 27108537069 is 96073580172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27108537069 - 29 = 27108536557 is a prime.

It is a super-2 number, since 2×271085370692 (a number of 22 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 (27108537019) 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, 21412114 + ... + 21413379.

It is an arithmetic number, because the mean of its divisors is an integer number (4539502364).

Almost surely, 227108537069 is an apocalyptic number.

It is an amenable number.

27108537069 is a deficient number, since it is larger than the sum of its proper divisors (9207481843).

27108537069 is a wasteful number, since it uses less digits than its factorization.

27108537069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42825707.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 27108537069 in words is "twenty-seven billion, one hundred eight million, five hundred thirty-seven thousand, sixty-nine".

Divisors: 1 3 211 633 42825493 128476479 9036179023 27108537069