Base | Representation |
---|---|
bin | 10010111010001000… |
… | …110011001011111111 |
3 | 1221101221011221221202 |
4 | 102322020303023333 |
5 | 313040000110200 |
6 | 13154342050115 |
7 | 1316056266326 |
oct | 227210631377 |
9 | 57357157852 |
10 | 20302738175 |
11 | 8679403765 |
12 | 3b2741993b |
13 | 1bb7323b55 |
14 | da85ad0bd |
15 | 7dc61b1d5 |
hex | 4ba2332ff |
20302738175 has 12 divisors (see below), whose sum is σ = 25188937656. Its totient is φ = 16233453600.
The previous prime is 20302738139. The next prime is 20302738199. The reversal of 20302738175 is 57183720302.
It is not a de Polignac number, because 20302738175 - 212 = 20302734079 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170816 + ... + 264165.
It is an arithmetic number, because the mean of its divisors is an integer number (2099078138).
Almost surely, 220302738175 is an apocalyptic number.
20302738175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20302738175 is a deficient number, since it is larger than the sum of its proper divisors (4886199481).
20302738175 is a wasteful number, since it uses less digits than its factorization.
20302738175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436858 (or 436853 counting only the distinct ones).
The product of its (nonzero) digits is 70560, while the sum is 38.
The spelling of 20302738175 in words is "twenty billion, three hundred two million, seven hundred thirty-eight thousand, one hundred seventy-five".
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