Base | Representation |
---|---|
bin | 11110111111111010000… |
… | …000010111110011100111 |
3 | 21112122102112011101110110 |
4 | 132333322000113303213 |
5 | 234400124010304111 |
6 | 4310333555424103 |
7 | 306621264361155 |
oct | 36777200276347 |
9 | 7478375141413 |
10 | 2130203213031 |
11 | 7514611a7973 |
12 | 2a4a208b5033 |
13 | 125b535797aa |
14 | 75160d363d5 |
15 | 3a628ad25a6 |
hex | 1effa017ce7 |
2130203213031 has 4 divisors (see below), whose sum is σ = 2840270950712. Its totient is φ = 1420135475352.
The previous prime is 2130203213027. The next prime is 2130203213051. The reversal of 2130203213031 is 1303123020312.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 2130203213031 - 22 = 2130203213027 is a prime.
It is a super-2 number, since 2×21302032130312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2130203212989 and 2130203213007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2130203213051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355033868836 + ... + 355033868841.
It is an arithmetic number, because the mean of its divisors is an integer number (710067737678).
Almost surely, 22130203213031 is an apocalyptic number.
2130203213031 is a deficient number, since it is larger than the sum of its proper divisors (710067737681).
2130203213031 is an equidigital number, since it uses as much as digits as its factorization.
2130203213031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 710067737680.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2130203213031 its reverse (1303123020312), we get a palindrome (3433326233343).
The spelling of 2130203213031 in words is "two trillion, one hundred thirty billion, two hundred three million, two hundred thirteen thousand, thirty-one".
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