Base | Representation |
---|---|
bin | 1011000111000001001101… |
… | …1011110001010111101101 |
3 | 1121020202121012101010212001 |
4 | 2301300103123301113231 |
5 | 3100113224014141122 |
6 | 41551331424212301 |
7 | 2400343236442123 |
oct | 261602333612755 |
9 | 47222535333761 |
10 | 12215213037037 |
11 | 398a49634498a |
12 | 145348216a091 |
13 | 6a7b7472810a |
14 | 3033102db913 |
15 | 162b2bc3b527 |
hex | b1c136f15ed |
12215213037037 has 8 divisors (see below), whose sum is σ = 12734096251392. Its totient is φ = 11704132578000.
The previous prime is 12215213036953. The next prime is 12215213037107. The reversal of 12215213037037 is 73073031251221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12215213037037 - 231 = 12213065553389 is a prime.
It is a super-2 number, since 2×122152130370372 (a number of 27 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12215213036987 and 12215213037005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12215213031037) 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, 1950685633 + ... + 1950691894.
It is an arithmetic number, because the mean of its divisors is an integer number (1591762031424).
Almost surely, 212215213037037 is an apocalyptic number.
It is an amenable number.
12215213037037 is a deficient number, since it is larger than the sum of its proper divisors (518883214355).
12215213037037 is a wasteful number, since it uses less digits than its factorization.
12215213037037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3901377659.
The product of its (nonzero) digits is 52920, while the sum is 37.
Adding to 12215213037037 its reverse (73073031251221), we get a palindrome (85288244288258).
The spelling of 12215213037037 in words is "twelve trillion, two hundred fifteen billion, two hundred thirteen million, thirty-seven thousand, thirty-seven".
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