Search a number
-
+
27220810232 = 2371144189627
BaseRepresentation
bin11001010110011111…
…001001100111111000
32121021001202102201202
4121112133021213320
5421222011411412
620301032233332
71652362032530
oct312637114770
977231672652
1027220810232
11105a948a690
12533823b848
13274a673005
1414632c04c0
15a94b503c2
hex6567c99f8

27220810232 has 32 divisors (see below), whose sum is σ = 63633064320. Its totient is φ = 10605510240.

The previous prime is 27220810223. The next prime is 27220810271. The reversal of 27220810232 is 23201802272.

It is a junction number, because it is equal to n+sod(n) for n = 27220810195 and 27220810204.

It is a congruent number.

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, 22094198 + ... + 22095429.

It is an arithmetic number, because the mean of its divisors is an integer number (1988533260).

Almost surely, 227220810232 is an apocalyptic number.

27220810232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27220810232 is an abundant number, since it is smaller than the sum of its proper divisors (36412254088).

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

27220810232 is a wasteful number, since it uses less digits than its factorization.

27220810232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44189651 (or 44189647 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The spelling of 27220810232 in words is "twenty-seven billion, two hundred twenty million, eight hundred ten thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 44189627 88379254 176758508 309327389 353517016 486085897 618654778 972171794 1237309556 1944343588 2474619112 3402601279 3888687176 6805202558 13610405116 27220810232