Base | Representation |
---|---|
bin | 1001011010100100011011… |
… | …00100000111001010000010 |
3 | 2201022021221112121112201200 |
4 | 10231102031210013022002 |
5 | 10203204013024430144 |
6 | 112011201254042030 |
7 | 4234552221241212 |
oct | 455221544071202 |
9 | 81267845545650 |
10 | 20704117420674 |
11 | 666262658a836 |
12 | 23a471b049316 |
13 | b7250b7a526c |
14 | 518128320242 |
15 | 25d865659c69 |
hex | 12d48d907282 |
20704117420674 has 48 divisors (see below), whose sum is σ = 45132551231040. Its totient is φ = 6859284711840.
The previous prime is 20704117420643. The next prime is 20704117420703. The reversal of 20704117420674 is 47602471140702.
20704117420674 is a `hidden beast` number, since 20 + 7 + 0 + 411 + 7 + 4 + 206 + 7 + 4 = 666.
It is a super-2 number, since 2×207041174206742 (a number of 27 digits) contains 22 as substring.
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, 27003589 + ... + 27759719.
It is an arithmetic number, because the mean of its divisors is an integer number (940261483980).
Almost surely, 220704117420674 is an apocalyptic number.
20704117420674 is an abundant number, since it is smaller than the sum of its proper divisors (24428433810366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20704117420674 is a wasteful number, since it uses less digits than its factorization.
20704117420674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 765415 (or 765412 counting only the distinct ones).
The product of its (nonzero) digits is 526848, while the sum is 45.
The spelling of 20704117420674 in words is "twenty trillion, seven hundred four billion, one hundred seventeen million, four hundred twenty thousand, six hundred seventy-four".
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