Base | Representation |
---|---|
bin | 1110011010001… |
… | …00111000011100 |
3 | 22102102202020200 |
4 | 13031010320130 |
5 | 221420242010 |
6 | 15554343500 |
7 | 2665235643 |
oct | 715047034 |
9 | 272382220 |
10 | 120868380 |
11 | 62255226 |
12 | 3458ab90 |
13 | 1c06c269 |
14 | 120a435a |
15 | a927cc0 |
hex | 7344e1c |
120868380 has 72 divisors (see below), whose sum is σ = 378478464. Its totient is φ = 31190400.
The previous prime is 120868379. The next prime is 120868409. The reversal of 120868380 is 83868021.
120868380 is nontrivially palindromic in base 11.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5251 + ... + 16410.
Almost surely, 2120868380 is an apocalyptic number.
120868380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120868380 is an abundant number, since it is smaller than the sum of its proper divisors (257610084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120868380 is a wasteful number, since it uses less digits than its factorization.
120868380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21707 (or 21702 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 120868380 is about 10994.0156448861. The cubic root of 120868380 is about 494.4293393058.
The spelling of 120868380 in words is "one hundred twenty million, eight hundred sixty-eight thousand, three hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •