Base | Representation |
---|---|
bin | 11101000110110101110… |
… | …100000010111001111001 |
3 | 21002012220002012122121111 |
4 | 131012311310002321321 |
5 | 230232412242041441 |
6 | 4130514524240321 |
7 | 264340033266604 |
oct | 35066564027171 |
9 | 7065802178544 |
10 | 2000210112121 |
11 | 701314510171 |
12 | 2837a23a00a1 |
13 | 116807c4c280 |
14 | 6cb4c74533b |
15 | 3706b683081 |
hex | 1d1b5d02e79 |
2000210112121 has 8 divisors (see below), whose sum is σ = 2154168765000. Its totient is φ = 1846265221632.
The previous prime is 2000210112119. The next prime is 2000210112149. The reversal of 2000210112121 is 1212110120002.
It can be written as a sum of positive squares in 4 ways, for example, as 192906302521 + 1807303809600 = 439211^2 + 1344360^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2000210112121 - 21 = 2000210112119 is a prime.
It is a super-2 number, since 2×20002101121212 (a number of 25 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2000210112101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137746 + ... + 3721003.
It is an arithmetic number, because the mean of its divisors is an integer number (269271095625).
Almost surely, 22000210112121 is an apocalyptic number.
It is an amenable number.
2000210112121 is a deficient number, since it is larger than the sum of its proper divisors (153958652879).
2000210112121 is a wasteful number, since it uses less digits than its factorization.
2000210112121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6881195.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 2000210112121 its reverse (1212110120002), we get a palindrome (3212320232123).
The spelling of 2000210112121 in words is "two trillion, two hundred ten million, one hundred twelve thousand, one hundred twenty-one".
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