Base | Representation |
---|---|
bin | 10011111101111111… |
… | …10111101111100101 |
3 | 1000200010201021101010 |
4 | 21332333313233211 |
5 | 133423433412310 |
6 | 4531443452433 |
7 | 526444441410 |
oct | 117677675745 |
9 | 30603637333 |
10 | 10720607205 |
11 | 4601559960 |
12 | 20b2387119 |
13 | 101b093479 |
14 | 739b42b77 |
15 | 42b2a1320 |
hex | 27eff7be5 |
10720607205 has 64 divisors (see below), whose sum is σ = 21408823296. Its totient is φ = 4450464000.
The previous prime is 10720607189. The next prime is 10720607207. The reversal of 10720607205 is 50270602701.
It is not a de Polignac number, because 10720607205 - 24 = 10720607189 is a prime.
It is a super-2 number, since 2×107206072052 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10720607207) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1174710 + ... + 1183800.
It is an arithmetic number, because the mean of its divisors is an integer number (334512864).
Almost surely, 210720607205 is an apocalyptic number.
10720607205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10720607205 is a deficient number, since it is larger than the sum of its proper divisors (10688216091).
10720607205 is a wasteful number, since it uses less digits than its factorization.
10720607205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10138.
The product of its (nonzero) digits is 5880, while the sum is 30.
The spelling of 10720607205 in words is "ten billion, seven hundred twenty million, six hundred seven thousand, two hundred five".
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