Base | Representation |
---|---|
bin | 1001001000111111100100… |
… | …00000001001001101011110 |
3 | 2122011120011100012202010102 |
4 | 10210133302000021031132 |
5 | 10113310213244230412 |
6 | 110425524315141102 |
7 | 4143122664600335 |
oct | 444376200111536 |
9 | 78146140182112 |
10 | 20100212101982 |
11 | 644a4a77a1531 |
12 | 2307680444792 |
13 | b2a598a26cbc |
14 | 4d6bd9530d1c |
15 | 24ccbca1a8c2 |
hex | 1247f200935e |
20100212101982 has 8 divisors (see below), whose sum is σ = 30150418407816. Its totient is φ = 10050072632712.
The previous prime is 20100212101951. The next prime is 20100212101987. The reversal of 20100212101982 is 28910121200102.
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 (20100212101987) 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, 15950408 + ... + 17164379.
It is an arithmetic number, because the mean of its divisors is an integer number (3768802300977).
Almost surely, 220100212101982 is an apocalyptic number.
20100212101982 is a deficient number, since it is larger than the sum of its proper divisors (10050206305834).
20100212101982 is a wasteful number, since it uses less digits than its factorization.
20100212101982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33418282.
The product of its (nonzero) digits is 1152, while the sum is 29.
The spelling of 20100212101982 in words is "twenty trillion, one hundred billion, two hundred twelve million, one hundred one thousand, nine hundred eighty-two".
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