Search a number
-
+
120102021021120 = 26351032422950131
BaseRepresentation
bin11011010011101101101110…
…010011001011110111000000
3120202020122022100022212222020
4123103231232103023313000
5111220222414340133440
61103234035021241440
734204041020435415
oct3323555623136700
9522218270285866
10120102021021120
11352a4a878a43a6
12115786aba03280
1352027588638a8
142192d7c69c10c
15dd41e10063d0
hex6d3b6e4cbdc0

120102021021120 has 224 divisors, whose sum is σ = 385049662533120. Its totient is φ = 31714320199680.

The previous prime is 120102021021011. The next prime is 120102021021187. The reversal of 120102021021120 is 21120120201021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120102021021120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2395738455 + ... + 2395788585.

Almost surely, 2120102021021120 is an apocalyptic number.

120102021021120 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 120102021021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192524831266560).

120102021021120 is an abundant number, since it is smaller than the sum of its proper divisors (264947641512000).

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

120102021021120 is a wasteful number, since it uses less digits than its factorization.

120102021021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74483 (or 74473 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120102021021120 its reverse (21120120201021), we get a palindrome (141222141222141).

The spelling of 120102021021120 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, twenty-one thousand, one hundred twenty".