Base | Representation |
---|---|
bin | 110001111001101101… |
… | …0011011001010001101 |
3 | 101020121101002201122201 |
4 | 1203303122123022031 |
5 | 3223432212134311 |
6 | 121121403041501 |
7 | 10512412342462 |
oct | 1436332331215 |
9 | 336541081581 |
10 | 107163005581 |
11 | 414a17a5225 |
12 | 18928810291 |
13 | a14a819198 |
14 | 52884cd669 |
15 | 2bc30019c1 |
hex | 18f369b28d |
107163005581 has 4 divisors (see below), whose sum is σ = 107165483964. Its totient is φ = 107160527200.
The previous prime is 107163005569. The next prime is 107163005617. The reversal of 107163005581 is 185500361701.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 81456014025 + 25706991556 = 285405^2 + 160334^2 .
It is a cyclic number.
It is not a de Polignac number, because 107163005581 - 217 = 107162874509 is a prime.
It is a super-2 number, since 2×1071630055812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 107163005581.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (107163005561) 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, 1173160 + ... + 1261201.
It is an arithmetic number, because the mean of its divisors is an integer number (26791370991).
Almost surely, 2107163005581 is an apocalyptic number.
It is an amenable number.
107163005581 is a deficient number, since it is larger than the sum of its proper divisors (2478383).
107163005581 is an equidigital number, since it uses as much as digits as its factorization.
107163005581 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2478382.
The product of its (nonzero) digits is 25200, while the sum is 37.
The spelling of 107163005581 in words is "one hundred seven billion, one hundred sixty-three million, five thousand, five hundred eighty-one".
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