Base | Representation |
---|---|
bin | 10111010010111000… |
… | …10010010110110110 |
3 | 1012021121002000222210 |
4 | 23221130102112312 |
5 | 201103122104032 |
6 | 5425000234250 |
7 | 621630665346 |
oct | 135134222666 |
9 | 35247060883 |
10 | 12506441142 |
11 | 5338618378 |
12 | 251046b986 |
13 | 1244063640 |
14 | 868dacd26 |
15 | 4d2e5c2cc |
hex | 2e97125b6 |
12506441142 has 16 divisors (see below), whose sum is σ = 26936950320. Its totient is φ = 3848135712.
The previous prime is 12506441069. The next prime is 12506441147. The reversal of 12506441142 is 24114460521.
It is a super-2 number, since 2×125064411422 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12506441147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80169417 + ... + 80169572.
It is an arithmetic number, because the mean of its divisors is an integer number (1683559395).
Almost surely, 212506441142 is an apocalyptic number.
12506441142 is an abundant number, since it is smaller than the sum of its proper divisors (14430509178).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12506441142 is a wasteful number, since it uses less digits than its factorization.
12506441142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160339007.
The product of its (nonzero) digits is 7680, while the sum is 30.
The spelling of 12506441142 in words is "twelve billion, five hundred six million, four hundred forty-one thousand, one hundred forty-two".
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