Base | Representation |
---|---|
bin | 110111111011010100… |
… | …0110100010101010000 |
3 | 102111000010010100222120 |
4 | 1233312220310111100 |
5 | 3431432103342430 |
6 | 131101334534240 |
7 | 11451145155120 |
oct | 1576650642520 |
9 | 374003110876 |
10 | 120102012240 |
11 | 46a31500461 |
12 | 1b339b07380 |
13 | b430383a42 |
14 | 5b54adcc80 |
15 | 31cde06610 |
hex | 1bf6a34550 |
120102012240 has 160 divisors (see below), whose sum is σ = 427331863296. Its totient is φ = 27333980160.
The previous prime is 120102012161. The next prime is 120102012269. The reversal of 120102012240 is 42210201021.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238030 + ... + 544850.
Almost surely, 2120102012240 is an apocalyptic number.
120102012240 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 120102012240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213665931648).
120102012240 is an abundant number, since it is smaller than the sum of its proper divisors (307229851056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120102012240 is a wasteful number, since it uses less digits than its factorization.
120102012240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307077 (or 307071 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 120102012240 its reverse (42210201021), we get a palindrome (162312213261).
The spelling of 120102012240 in words is "one hundred twenty billion, one hundred two million, twelve thousand, two hundred forty".
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