Base | Representation |
---|---|
bin | 110111111111001000… |
… | …1111111110001000001 |
3 | 102111100001102101200020 |
4 | 1233332101333301001 |
5 | 3432212420404424 |
6 | 131122155244053 |
7 | 11454263145612 |
oct | 1577621776101 |
9 | 374301371606 |
10 | 120230247489 |
11 | 46a97927500 |
12 | 1b374a49629 |
13 | b450b021a1 |
14 | 5b67b5dc09 |
15 | 31da2d7079 |
hex | 1bfe47fc41 |
120230247489 has 24 divisors (see below), whose sum is σ = 176327254656. Its totient is φ = 72816348000.
The previous prime is 120230247469. The next prime is 120230247509. The reversal of 120230247489 is 984742032021.
It is an interprime number because it is at equal distance from previous prime (120230247469) and next prime (120230247509).
It is not a de Polignac number, because 120230247489 - 221 = 120228150337 is a prime.
It is a super-2 number, since 2×1202302474892 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120230247489.
It is not an unprimeable number, because it can be changed into a prime (120230247469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 413464 + ... + 641414.
It is an arithmetic number, because the mean of its divisors is an integer number (7346968944).
Almost surely, 2120230247489 is an apocalyptic number.
It is an amenable number.
120230247489 is a deficient number, since it is larger than the sum of its proper divisors (56097007167).
120230247489 is a wasteful number, since it uses less digits than its factorization.
120230247489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229429 (or 229418 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 120230247489 in words is "one hundred twenty billion, two hundred thirty million, two hundred forty-seven thousand, four hundred eighty-nine".
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