Base | Representation |
---|---|
bin | 110001001100000001… |
… | …1101000111110100100 |
3 | 101002122120001112101102 |
4 | 1202120003220332210 |
5 | 3212312324244322 |
6 | 120305332015232 |
7 | 10426421534264 |
oct | 1423003507644 |
9 | 332576045342 |
10 | 105630306212 |
11 | 40885610532 |
12 | 1857b461518 |
13 | 9c65118392 |
14 | 5180b177a4 |
15 | 2b33698792 |
hex | 18980e8fa4 |
105630306212 has 48 divisors (see below), whose sum is σ = 190623748224. Its totient is φ = 51184224000.
The previous prime is 105630306211. The next prime is 105630306233. The reversal of 105630306212 is 212603036501.
It is a super-2 number, since 2×1056303062122 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (105630306211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38676887 + ... + 38679617.
It is an arithmetic number, because the mean of its divisors is an integer number (3971328088).
Almost surely, 2105630306212 is an apocalyptic number.
It is an amenable number.
105630306212 is a deficient number, since it is larger than the sum of its proper divisors (84993442012).
105630306212 is a wasteful number, since it uses less digits than its factorization.
105630306212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4260 (or 4258 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 29.
The spelling of 105630306212 in words is "one hundred five billion, six hundred thirty million, three hundred six thousand, two hundred twelve".
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