Base | Representation |
---|---|
bin | 10011000011001000… |
… | …010111110101100111 |
3 | 1221210110002121102001 |
4 | 103003020113311213 |
5 | 313342111333340 |
6 | 13221332030131 |
7 | 1322600624245 |
oct | 230310276547 |
9 | 57713077361 |
10 | 20453621095 |
11 | 8746599296 |
12 | 3b69a62347 |
13 | 1c0c67189b |
14 | dc0647795 |
15 | 7ea9c229a |
hex | 4c3217d67 |
20453621095 has 8 divisors (see below), whose sum is σ = 24548824080. Its totient is φ = 16359911040.
The previous prime is 20453621057. The next prime is 20453621107. The reversal of 20453621095 is 59012635402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20453621095 - 233 = 11863686503 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342865 + ... + 398074.
It is an arithmetic number, because the mean of its divisors is an integer number (3068603010).
Almost surely, 220453621095 is an apocalyptic number.
20453621095 is a deficient number, since it is larger than the sum of its proper divisors (4095202985).
20453621095 is an equidigital number, since it uses as much as digits as its factorization.
20453621095 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 746465.
The product of its (nonzero) digits is 64800, while the sum is 37.
The spelling of 20453621095 in words is "twenty billion, four hundred fifty-three million, six hundred twenty-one thousand, ninety-five".
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