Search a number
-
+
27078768801 = 3371731271867
BaseRepresentation
bin11001001110000001…
…010011100010100001
32120220011110222112000
4121032001103202201
5420424131100201
620234555554213
71646015510550
oct311601234241
976804428460
1027078768801
1110536293877
1252b875b969
1327270cc726
14144c4a7d97
15a87443d86
hex64e0538a1

27078768801 has 64 divisors (see below), whose sum is σ = 50110709760. Its totient is φ = 14093533440.

The previous prime is 27078768793. The next prime is 27078768809. The reversal of 27078768801 is 10886787072.

It is an interprime number because it is at equal distance from previous prime (27078768793) and next prime (27078768809).

It is not a de Polignac number, because 27078768801 - 23 = 27078768793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27078768809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36331 + ... + 235536.

It is an arithmetic number, because the mean of its divisors is an integer number (782979840).

Almost surely, 227078768801 is an apocalyptic number.

27078768801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27078768801 is a deficient number, since it is larger than the sum of its proper divisors (23031940959).

27078768801 is a wasteful number, since it uses less digits than its factorization.

27078768801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271931 (or 271925 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 54.

The spelling of 27078768801 in words is "twenty-seven billion, seventy-eight million, seven hundred sixty-eight thousand, eight hundred one".

Divisors: 1 3 7 9 17 21 27 31 51 63 93 119 153 189 217 279 357 459 527 651 837 1071 1581 1953 3213 3689 4743 5859 11067 14229 33201 99603 271867 815601 1903069 2446803 4621739 5709207 7340409 8427877 13865217 17127621 25283631 32352173 41595651 51382863 58995139 75850893 97056519 124786953 143273909 176985417 227552679 291169557 429821727 530956251 873508671 1002917363 1289465181 1592868753 3008752089 3868395543 9026256267 27078768801