Base | Representation |
---|---|
bin | 1011000110110011111001… |
… | …0011111001010000000101 |
3 | 1121020102101000020020110102 |
4 | 2301230332103321100011 |
5 | 3100033413140101112 |
6 | 41545540534333445 |
7 | 2400155521313522 |
oct | 261547623712005 |
9 | 47212330206412 |
10 | 12211637425157 |
11 | 3988a20a73845 |
12 | 14528447ba285 |
13 | 6a7724a06841 |
14 | 30309149a149 |
15 | 1629bcd95bc2 |
hex | b1b3e4f9405 |
12211637425157 has 16 divisors (see below), whose sum is σ = 12383794220160. Its totient is φ = 12040589736000.
The previous prime is 12211637425109. The next prime is 12211637425181. The reversal of 12211637425157 is 75152473611221.
12211637425157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 12211637425157 - 220 = 12211636376581 is a prime.
It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12211637422157) 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, 186282128 + ... + 186347670.
It is an arithmetic number, because the mean of its divisors is an integer number (773987138760).
Almost surely, 212211637425157 is an apocalyptic number.
It is an amenable number.
12211637425157 is a deficient number, since it is larger than the sum of its proper divisors (172156795003).
12211637425157 is a wasteful number, since it uses less digits than its factorization.
12211637425157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 73964.
The product of its digits is 705600, while the sum is 47.
The spelling of 12211637425157 in words is "twelve trillion, two hundred eleven billion, six hundred thirty-seven million, four hundred twenty-five thousand, one hundred fifty-seven".
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