Base | Representation |
---|---|
bin | 10010111010110110… |
… | …101101001011001110 |
3 | 1221102202211100111102 |
4 | 102322312231023032 |
5 | 313101040202144 |
6 | 13155452023102 |
7 | 1316263500014 |
oct | 227266551316 |
9 | 57382740442 |
10 | 20314772174 |
11 | 8685183014 |
12 | 3b2b461a92 |
13 | 1bb9978468 |
14 | daa0228b4 |
15 | 7dd6e6b4e |
hex | 4badad2ce |
20314772174 has 4 divisors (see below), whose sum is σ = 30472158264. Its totient is φ = 10157386086.
The previous prime is 20314772167. The next prime is 20314772243. The reversal of 20314772174 is 47127741302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47127741302 = 2 ⋅23563870651.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078693042 + ... + 5078693045.
It is an arithmetic number, because the mean of its divisors is an integer number (7618039566).
Almost surely, 220314772174 is an apocalyptic number.
20314772174 is a deficient number, since it is larger than the sum of its proper divisors (10157386090).
20314772174 is a wasteful number, since it uses less digits than its factorization.
20314772174 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10157386089.
The product of its (nonzero) digits is 65856, while the sum is 38.
The spelling of 20314772174 in words is "twenty billion, three hundred fourteen million, seven hundred seventy-two thousand, one hundred seventy-four".
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