Base | Representation |
---|---|
bin | 1001000111101011110100… |
… | …00100001100011101111101 |
3 | 2122000021002212111202001011 |
4 | 10203311322010030131331 |
5 | 10112041123024200041 |
6 | 110353131010115221 |
7 | 4136641540132054 |
oct | 443657204143575 |
9 | 78007085452034 |
10 | 20055250225021 |
11 | 6432424a04930 |
12 | 22baa1287bb11 |
13 | b262819a328b |
14 | 4d4971d8739b |
15 | 24ba3a60ce81 |
hex | 123d7a10c77d |
20055250225021 has 8 divisors (see below), whose sum is σ = 22155397257600. Its totient is φ = 18001260270240.
The previous prime is 20055250225019. The next prime is 20055250225091. The reversal of 20055250225021 is 12052205255002.
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 20055250225021 - 21 = 20055250225019 is a prime.
It is a super-2 number, since 2×200552502250212 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20055250225091) 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, 11539268536 + ... + 11539270273.
It is an arithmetic number, because the mean of its divisors is an integer number (2769424657200).
Almost surely, 220055250225021 is an apocalyptic number.
It is an amenable number.
20055250225021 is a deficient number, since it is larger than the sum of its proper divisors (2100147032579).
20055250225021 is a wasteful number, since it uses less digits than its factorization.
20055250225021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23078538899.
The product of its (nonzero) digits is 20000, while the sum is 31.
The spelling of 20055250225021 in words is "twenty trillion, fifty-five billion, two hundred fifty million, two hundred twenty-five thousand, twenty-one".
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