Base | Representation |
---|---|
bin | 1011010010100101010… |
… | …1110010111001100000 |
3 | 200112122220100000001010 |
4 | 2310221111302321200 |
5 | 11134221034421210 |
6 | 225035100140520 |
7 | 20004454132443 |
oct | 2645125627140 |
9 | 615586300033 |
10 | 193967107680 |
11 | 75296414985 |
12 | 31713237740 |
13 | 153a24a7ac8 |
14 | 9560b8d65a |
15 | 50a39e0920 |
hex | 2d29572e60 |
193967107680 has 96 divisors (see below), whose sum is σ = 611924544000. Its totient is φ = 51645988352.
The previous prime is 193967107673. The next prime is 193967107783. The reversal of 193967107680 is 86701769391.
It is a tau number, because it is divible by the number of its divisors (96).
It is a self number, because there is not a number n which added to its sum of digits gives 193967107680.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9721 + ... + 622919.
It is an arithmetic number, because the mean of its divisors is an integer number (6374214000).
Almost surely, 2193967107680 is an apocalyptic number.
193967107680 is a gapful number since it is divisible by the number (10) 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 193967107680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305962272000).
193967107680 is an abundant number, since it is smaller than the sum of its proper divisors (417957436320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
193967107680 is a wasteful number, since it uses less digits than its factorization.
193967107680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 613876 (or 613868 counting only the distinct ones).
The product of its (nonzero) digits is 3429216, while the sum is 57.
The spelling of 193967107680 in words is "one hundred ninety-three billion, nine hundred sixty-seven million, one hundred seven thousand, six hundred eighty".
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