Search a number
-
+
27677107120 = 24513191139333
BaseRepresentation
bin11001110001101011…
…110010001110110000
32122102212100201101111
4121301223302032300
5423140314411440
620414212243104
71666602346255
oct316153621660
978385321344
1027677107120
1110813007253
125445010494
1327c1065b80
1414a7b3b42c
15abec344ea
hex671af23b0

27677107120 has 80 divisors (see below), whose sum is σ = 69662541312. Its totient is φ = 10165662720.

The previous prime is 27677107111. The next prime is 27677107127. The reversal of 27677107120 is 2170177672.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (27677107127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128974 + ... + 268306.

Almost surely, 227677107120 is an apocalyptic number.

27677107120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27677107120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34831270656).

27677107120 is an abundant number, since it is smaller than the sum of its proper divisors (41985434192).

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

27677107120 is a wasteful number, since it uses less digits than its factorization.

27677107120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139550 (or 139544 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 40.

The spelling of 27677107120 in words is "twenty-seven billion, six hundred seventy-seven million, one hundred seven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 191 208 260 382 520 764 955 1040 1528 1910 2483 3056 3820 4966 7640 9932 12415 15280 19864 24830 39728 49660 99320 139333 198640 278666 557332 696665 1114664 1393330 1811329 2229328 2786660 3622658 5573320 7245316 9056645 11146640 14490632 18113290 26612603 28981264 36226580 53225206 72453160 106450412 133063015 144906320 212900824 266126030 345963839 425801648 532252060 691927678 1064504120 1383855356 1729819195 2129008240 2767710712 3459638390 5535421424 6919276780 13838553560 27677107120