Base | Representation |
---|---|
bin | 11110111111101110100… |
… | …111011010110000010010 |
3 | 21112121221012120222000200 |
4 | 132333232213122300102 |
5 | 234344231100402010 |
6 | 4310303012000030 |
7 | 306613454210634 |
oct | 36775647326022 |
9 | 7477835528020 |
10 | 2130012122130 |
11 | 75137334a502 |
12 | 2a4988900016 |
13 | 125b22ac1659 |
14 | 751437d2a54 |
15 | 3a616e37cc0 |
hex | 1efee9dac12 |
2130012122130 has 48 divisors (see below), whose sum is σ = 5575199549400. Its totient is φ = 564191126784.
The previous prime is 2130012122107. The next prime is 2130012122131. The reversal of 2130012122130 is 312212100312.
2130012122130 is a `hidden beast` number, since 21 + 300 + 1 + 212 + 2 + 130 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1632678284169 + 497333837961 = 1277763^2 + 705219^2 .
It is a super-3 number, since 3×21300121221303 (a number of 38 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2130012122131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79405387 + ... + 79432206.
Almost surely, 22130012122130 is an apocalyptic number.
2130012122130 is an abundant number, since it is smaller than the sum of its proper divisors (3445187427270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130012122130 is a wasteful number, since it uses less digits than its factorization.
2130012122130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158837755 (or 158837752 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 2130012122130 its reverse (312212100312), we get a palindrome (2442224222442).
The spelling of 2130012122130 in words is "two trillion, one hundred thirty billion, twelve million, one hundred twenty-two thousand, one hundred thirty".
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