Base | Representation |
---|---|
bin | 10011010001111001… |
… | …011001111110011010 |
3 | 1222102201020211201022 |
4 | 103101321121332122 |
5 | 314344021342210 |
6 | 13302101522442 |
7 | 1331666423243 |
oct | 232171317632 |
9 | 58381224638 |
10 | 20701355930 |
11 | 8863415122 |
12 | 4018a13422 |
13 | 1c4baa0248 |
14 | 10054d3cca |
15 | 81260a155 |
hex | 4d1e59f9a |
20701355930 has 8 divisors (see below), whose sum is σ = 37262440692. Its totient is φ = 8280542368.
The previous prime is 20701355861. The next prime is 20701355953. The reversal of 20701355930 is 3955310702.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 20033288521 + 668067409 = 141539^2 + 25847^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×207013559302 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035067787 + ... + 1035067806.
Almost surely, 220701355930 is an apocalyptic number.
20701355930 is a deficient number, since it is larger than the sum of its proper divisors (16561084762).
20701355930 is a wasteful number, since it uses less digits than its factorization.
20701355930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2070135600.
The product of its (nonzero) digits is 28350, while the sum is 35.
The spelling of 20701355930 in words is "twenty billion, seven hundred one million, three hundred fifty-five thousand, nine hundred thirty".
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