Base | Representation |
---|---|
bin | 10010111110111000… |
… | …100101000000100011 |
3 | 1221121111000202212001 |
4 | 102332320211000203 |
5 | 313220341400000 |
6 | 13210304544431 |
7 | 1321044205465 |
oct | 227670450043 |
9 | 57544022761 |
10 | 20382371875 |
11 | 870a354738 |
12 | 3b4a022117 |
13 | 1bca986598 |
14 | db4dbc135 |
15 | 7e45eb46a |
hex | 4bee25023 |
20382371875 has 24 divisors (see below), whose sum is σ = 25671325680. Its totient is φ = 16181100000.
The previous prime is 20382371819. The next prime is 20382371881. The reversal of 20382371875 is 57817328302.
It is not a de Polignac number, because 20382371875 - 229 = 19845500963 is a prime.
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, 384481 + ... + 434269.
It is an arithmetic number, because the mean of its divisors is an integer number (1069638570).
Almost surely, 220382371875 is an apocalyptic number.
20382371875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20382371875 is a deficient number, since it is larger than the sum of its proper divisors (5288953805).
20382371875 is an frugal number, since it uses more digits than its factorization.
20382371875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49945 (or 49925 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 46.
The spelling of 20382371875 in words is "twenty billion, three hundred eighty-two million, three hundred seventy-one thousand, eight hundred seventy-five".
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