Base | Representation |
---|---|
bin | 11110110000110010001… |
… | …101001010100101001000 |
3 | 21111002111221101202120221 |
4 | 132300302031022211020 |
5 | 234113400323043030 |
6 | 4255050452355424 |
7 | 305505024255640 |
oct | 36606215124510 |
9 | 7432457352527 |
10 | 2113966221640 |
11 | 745589903a19 |
12 | 2a184b015b74 |
13 | 124466686c90 |
14 | 74460713520 |
15 | 39ec83c6e7a |
hex | 1ec3234a948 |
2113966221640 has 512 divisors, whose sum is σ = 6047612928000. Its totient is φ = 647373275136.
The previous prime is 2113966221611. The next prime is 2113966221641. The reversal of 2113966221640 is 461226693112.
It is not an unprimeable number, because it can be changed into a prime (2113966221641) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4882138864 + ... + 4882139296.
It is an arithmetic number, because the mean of its divisors is an integer number (11811744000).
Almost surely, 22113966221640 is an apocalyptic number.
2113966221640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2113966221640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3023806464000).
2113966221640 is an abundant number, since it is smaller than the sum of its proper divisors (3933646706360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2113966221640 is a wasteful number, since it uses less digits than its factorization.
2113966221640 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 829 (or 825 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 43.
The spelling of 2113966221640 in words is "two trillion, one hundred thirteen billion, nine hundred sixty-six million, two hundred twenty-one thousand, six hundred forty".
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