Search a number
-
+
27733013380 = 2251386650669
BaseRepresentation
bin11001110101000001…
…000011001110000100
32122120202120001100201
4121311001003032010
5423244122412010
620423530420244
72001151503262
oct316501031604
978522501321
1027733013380
1110841621476
12545b891684
1327cc80b6b7
1414b1331432
15ac4ac923a
hex675043384

27733013380 has 12 divisors (see below), whose sum is σ = 58239328140. Its totient is φ = 11093205344.

The previous prime is 27733013327. The next prime is 27733013383. The reversal of 27733013380 is 8331033772.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18609325056 + 9123688324 = 136416^2 + 95518^2 .

It is a super-2 number, since 2×277330133802 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27733013383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693325315 + ... + 693325354.

It is an arithmetic number, because the mean of its divisors is an integer number (4853277345).

Almost surely, 227733013380 is an apocalyptic number.

27733013380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27733013380 is an abundant number, since it is smaller than the sum of its proper divisors (30506314760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27733013380 is a wasteful number, since it uses less digits than its factorization.

27733013380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386650678 (or 1386650676 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 27733013380 in words is "twenty-seven billion, seven hundred thirty-three million, thirteen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 1386650669 2773301338 5546602676 6933253345 13866506690 27733013380