Search a number
-
+
136166880 = 2535319151
BaseRepresentation
bin10000001110110…
…11110111100000
3100111012222211210
420013123313200
5234324320010
621302310120
73242253663
oct1007336740
9314188753
10136166880
116a954213
1239728340
1322297725
14141276da
15be4ab20
hex81dbde0

136166880 has 96 divisors (see below), whose sum is σ = 442810368. Its totient is φ = 35136000.

The previous prime is 136166879. The next prime is 136166881. The reversal of 136166880 is 88661631.

136166880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136166879) and next prime (136166881).

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136166881) 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, 10305 + ... + 19455.

It is an arithmetic number, because the mean of its divisors is an integer number (4612608).

Almost surely, 2136166880 is an apocalyptic number.

136166880 is a gapful number since it is divisible by the number (10) 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 136166880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221405184).

136166880 is an abundant number, since it is smaller than the sum of its proper divisors (306643488).

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

136166880 is a wasteful number, since it uses less digits than its factorization.

136166880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200 (or 9192 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 136166880 is about 11669.0565171311. The cubic root of 136166880 is about 514.4665730743.

The spelling of 136166880 in words is "one hundred thirty-six million, one hundred sixty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 80 93 96 120 124 155 160 186 240 248 310 372 465 480 496 620 744 930 992 1240 1488 1860 2480 2976 3720 4960 7440 9151 14880 18302 27453 36604 45755 54906 73208 91510 109812 137265 146416 183020 219624 274530 283681 292832 366040 439248 549060 567362 732080 851043 878496 1098120 1134724 1418405 1464160 1702086 2196240 2269448 2836810 3404172 4255215 4392480 4538896 5673620 6808344 8510430 9077792 11347240 13616688 17020860 22694480 27233376 34041720 45388960 68083440 136166880