Base | Representation |
---|---|
bin | 100001001001001… |
… | …1001111010011100 |
3 | 2212111122121012020 |
4 | 1002102121322130 |
5 | 4234200332423 |
6 | 302204340140 |
7 | 36362605146 |
oct | 10222317234 |
9 | 2774577166 |
10 | 1112120988 |
11 | 520843a60 |
12 | 270544650 |
13 | 149535a74 |
14 | a79b5c96 |
15 | 6797c4e3 |
hex | 42499e9c |
1112120988 has 48 divisors (see below), whose sum is σ = 2907375744. Its totient is φ = 327896640.
The previous prime is 1112120987. The next prime is 1112121071. The reversal of 1112120988 is 8890212111.
It is a super-2 number, since 2×11121209882 = 2473626183900192288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1112120981) 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, 108970 + ... + 118737.
It is an arithmetic number, because the mean of its divisors is an integer number (60570328).
Almost surely, 21112120988 is an apocalyptic number.
It is an amenable number.
1112120988 is an abundant number, since it is smaller than the sum of its proper divisors (1795254756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1112120988 is a wasteful number, since it uses less digits than its factorization.
1112120988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 227762 (or 227760 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 33.
The square root of 1112120988 is about 33348.4780462317. The cubic root of 1112120988 is about 1036.0578658614.
The spelling of 1112120988 in words is "one billion, one hundred twelve million, one hundred twenty thousand, nine hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •