Base | Representation |
---|---|
bin | 10110101111001110… |
… | …10101010111010000 |
3 | 1011111202021111011121 |
4 | 23113213111113100 |
5 | 200000040102102 |
6 | 5335153452024 |
7 | 611336511250 |
oct | 132747252720 |
9 | 34452244147 |
10 | 12207347152 |
11 | 51a4802660 |
12 | 2448271014 |
13 | 11c70c2050 |
14 | 83b393960 |
15 | 4b6a7bb37 |
hex | 2d79d55d0 |
12207347152 has 320 divisors, whose sum is σ = 34237808640. Its totient is φ = 4060108800.
The previous prime is 12207347057. The next prime is 12207347153. The reversal of 12207347152 is 25174370221.
It is a super-2 number, since 2×122073471522 (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 (12207347153) by changing a digit.
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 63 ways as a sum of consecutive naturals, for example, 11418874 + ... + 11419942.
It is an arithmetic number, because the mean of its divisors is an integer number (106993152).
Almost surely, 212207347152 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12207347152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17118904320).
12207347152 is an abundant number, since it is smaller than the sum of its proper divisors (22030461488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12207347152 is a wasteful number, since it uses less digits than its factorization.
12207347152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1162 (or 1156 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 34.
The spelling of 12207347152 in words is "twelve billion, two hundred seven million, three hundred forty-seven thousand, one hundred fifty-two".
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