Base | Representation |
---|---|
bin | 11110100011110111110… |
… | …101101111110001111110 |
3 | 21102202201201121112000121 |
4 | 132203313311233301332 |
5 | 233402002114232032 |
6 | 4244435032245154 |
7 | 304504326222322 |
oct | 36436765576176 |
9 | 7382651545017 |
10 | 2100102102142 |
11 | 73a714983820 |
12 | 29b01bb407ba |
13 | 123067272385 |
14 | 739072cb982 |
15 | 39966184a97 |
hex | 1e8f7d6fc7e |
2100102102142 has 8 divisors (see below), whose sum is σ = 3436530712632. Its totient is φ = 954591864600.
The previous prime is 2100102102113. The next prime is 2100102102149. The reversal of 2100102102142 is 2412012010012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100102102149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47729593209 + ... + 47729593252.
It is an arithmetic number, because the mean of its divisors is an integer number (429566339079).
Almost surely, 22100102102142 is an apocalyptic number.
2100102102142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2100102102142 is a deficient number, since it is larger than the sum of its proper divisors (1336428610490).
2100102102142 is a wasteful number, since it uses less digits than its factorization.
2100102102142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95459186474.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 2100102102142 its reverse (2412012010012), we get a palindrome (4512114112154).
The spelling of 2100102102142 in words is "two trillion, one hundred billion, one hundred two million, one hundred two thousand, one hundred forty-two".
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