Base | Representation |
---|---|
bin | 1000101111100110001110… |
… | …10101111100000101101001 |
3 | 2112002010211202112021000012 |
4 | 10113303013111330011221 |
5 | 10010011130204042100 |
6 | 104521013520021305 |
7 | 4023102204442322 |
oct | 427630725740551 |
9 | 75063752467005 |
10 | 19227618034025 |
11 | 6143429132055 |
12 | 21a6536461835 |
13 | a9620608913b |
14 | 4a689bc57449 |
15 | 23524b50a135 |
hex | 117cc757c169 |
19227618034025 has 12 divisors (see below), whose sum is σ = 24292100068812. Its totient is φ = 15091866229440.
The previous prime is 19227618034007. The next prime is 19227618034057. The reversal of 19227618034025 is 52043081672291.
It can be written as a sum of positive squares in 6 ways, for example, as 41019211024 + 19186598823001 = 202532^2 + 4380251^2 .
It is a de Polignac number, because none of the positive numbers 2k-19227618034025 is a prime.
It is a Duffinian 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, 7255703594 + ... + 7255706243.
It is an arithmetic number, because the mean of its divisors is an integer number (2024341672401).
It is a 1-persistent number, because it is pandigital, but 2⋅19227618034025 = 38455236068050 is not.
Almost surely, 219227618034025 is an apocalyptic number.
It is an amenable number.
19227618034025 is a deficient number, since it is larger than the sum of its proper divisors (5064482034787).
19227618034025 is a wasteful number, since it uses less digits than its factorization.
19227618034025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14511409900 (or 14511409895 counting only the distinct ones).
The product of its (nonzero) digits is 1451520, while the sum is 50.
The spelling of 19227618034025 in words is "nineteen trillion, two hundred twenty-seven billion, six hundred eighteen million, thirty-four thousand, twenty-five".
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