Search a number
-
+
27622107620 = 2251781241493
BaseRepresentation
bin11001101110011001…
…111110100111100100
32122022000212110020222
4121232121332213210
5423032224420440
620404525343512
71665334020002
oct315631764744
978260773228
1027622107620
1110794a61318
12542a707b98
1327b2849ca3
1414a0701a72
15ab9ebd2b5
hex66e67e9e4

27622107620 has 24 divisors (see below), whose sum is σ = 61418569464. Its totient is φ = 10398910976.

The previous prime is 27622107619. The next prime is 27622107691. The reversal of 27622107620 is 2670122672.

It can be written as a sum of positive squares in 4 ways, for example, as 243110464 + 27378997156 = 15592^2 + 165466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40620407 + ... + 40621086.

It is an arithmetic number, because the mean of its divisors is an integer number (2559107061).

Almost surely, 227622107620 is an apocalyptic number.

27622107620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27622107620 is an abundant number, since it is smaller than the sum of its proper divisors (33796461844).

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

27622107620 is a wasteful number, since it uses less digits than its factorization.

27622107620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81241519 (or 81241517 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 27622107620 in words is "twenty-seven billion, six hundred twenty-two million, one hundred seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 81241493 162482986 324965972 406207465 812414930 1381105381 1624829860 2762210762 5524421524 6905526905 13811053810 27622107620