Base | Representation |
---|---|
bin | 10010111101111100… |
… | …111001000000100101 |
3 | 1221120101120211120222 |
4 | 102331330321000211 |
5 | 313202340201112 |
6 | 13204545334125 |
7 | 1320464210312 |
oct | 227574710045 |
9 | 57511524528 |
10 | 20366725157 |
11 | 8701538069 |
12 | 3b44937345 |
13 | 1bc766877c |
14 | db2ca7d09 |
15 | 7e305a372 |
hex | 4bdf39025 |
20366725157 has 8 divisors (see below), whose sum is σ = 21464787360. Its totient is φ = 19271275920.
The previous prime is 20366725151. The next prime is 20366725189. The reversal of 20366725157 is 75152766302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20366725157 - 214 = 20366708773 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 (20366725151) 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, 637223 + ... + 668420.
It is an arithmetic number, because the mean of its divisors is an integer number (2683098420).
Almost surely, 220366725157 is an apocalyptic number.
It is an amenable number.
20366725157 is a deficient number, since it is larger than the sum of its proper divisors (1098062203).
20366725157 is a wasteful number, since it uses less digits than its factorization.
20366725157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1306483.
The product of its (nonzero) digits is 529200, while the sum is 44.
The spelling of 20366725157 in words is "twenty billion, three hundred sixty-six million, seven hundred twenty-five thousand, one hundred fifty-seven".
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