Base | Representation |
---|---|
bin | 1011001011011010101100… |
… | …1101100111011111011101 |
3 | 1121111222122011111001211000 |
4 | 2302312223031213133131 |
5 | 3102333001110014141 |
6 | 42050145324020513 |
7 | 2405656556313642 |
oct | 262665315473735 |
9 | 47458564431730 |
10 | 12290773907421 |
11 | 3a095404a61a9 |
12 | 146604b391739 |
13 | 6b2026c795c9 |
14 | 306c3b693dc9 |
15 | 164aa06425b6 |
hex | b2dab3677dd |
12290773907421 has 16 divisors (see below), whose sum is σ = 18217098627520. Its totient is φ = 8190004160880.
The previous prime is 12290773907411. The next prime is 12290773907527. The reversal of 12290773907421 is 12470937709221.
12290773907421 is a `hidden beast` number, since 1 + 229 + 0 + 7 + 7 + 390 + 7 + 4 + 21 = 666.
It is not a de Polignac number, because 12290773907421 - 217 = 12290773776349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12290773907411) 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, 106750030 + ... + 106865103.
It is an arithmetic number, because the mean of its divisors is an integer number (1138568664220).
Almost surely, 212290773907421 is an apocalyptic number.
It is an amenable number.
12290773907421 is a deficient number, since it is larger than the sum of its proper divisors (5926324720099).
12290773907421 is a wasteful number, since it uses less digits than its factorization.
12290773907421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213617273 (or 213617267 counting only the distinct ones).
The product of its (nonzero) digits is 2667168, while the sum is 54.
The spelling of 12290773907421 in words is "twelve trillion, two hundred ninety billion, seven hundred seventy-three million, nine hundred seven thousand, four hundred twenty-one".
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