Base | Representation |
---|---|
bin | 10001111010101001010… |
… | …000101111010110101001 |
3 | 11100200221110201212012222 |
4 | 101322221100233112221 |
5 | 130132444244300200 |
6 | 2341334453043425 |
7 | 154644202410644 |
oct | 21725120572651 |
9 | 4320843655188 |
10 | 1231200384425 |
11 | 435170579770 |
12 | 17a746626575 |
13 | 8c14257a23b |
14 | 4383a162a5b |
15 | 2205ddc8d85 |
hex | 11ea942f5a9 |
1231200384425 has 24 divisors (see below), whose sum is σ = 1763447658912. Its totient is φ = 842746784000.
The previous prime is 1231200384383. The next prime is 1231200384437. The reversal of 1231200384425 is 5244830021321.
It is not a de Polignac number, because 1231200384425 - 222 = 1231196190121 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131674511 + ... + 131683860.
It is an arithmetic number, because the mean of its divisors is an integer number (73476985788).
Almost surely, 21231200384425 is an apocalyptic number.
It is an amenable number.
1231200384425 is a deficient number, since it is larger than the sum of its proper divisors (532247274487).
1231200384425 is a wasteful number, since it uses less digits than its factorization.
1231200384425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 263358409 (or 263358404 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
The spelling of 1231200384425 in words is "one trillion, two hundred thirty-one billion, two hundred million, three hundred eighty-four thousand, four hundred twenty-five".
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