Base | Representation |
---|---|
bin | 110000111111011010… |
… | …1001000111001111011 |
3 | 101001120001200010112010 |
4 | 1201332311020321323 |
5 | 3210431002340202 |
6 | 120155332421003 |
7 | 10413062243340 |
oct | 1417665107173 |
9 | 331501603463 |
10 | 105207074427 |
11 | 406887181a4 |
12 | 18481777763 |
13 | 9bc8531680 |
14 | 51408267c7 |
15 | 2b0b44676c |
hex | 187ed48e7b |
105207074427 has 32 divisors (see below), whose sum is σ = 175573762560. Its totient is φ = 54553259520.
The previous prime is 105207074363. The next prime is 105207074491. The reversal of 105207074427 is 724470702501.
It is an interprime number because it is at equal distance from previous prime (105207074363) and next prime (105207074491).
It is not a de Polignac number, because 105207074427 - 26 = 105207074363 is a prime.
It is a super-2 number, since 2×1052070744272 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (105207074527) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3249774 + ... + 3281987.
It is an arithmetic number, because the mean of its divisors is an integer number (5486680080).
Almost surely, 2105207074427 is an apocalyptic number.
105207074427 is a deficient number, since it is larger than the sum of its proper divisors (70366688133).
105207074427 is a wasteful number, since it uses less digits than its factorization.
105207074427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6531843.
The product of its (nonzero) digits is 109760, while the sum is 39.
Adding to 105207074427 its reverse (724470702501), we get a palindrome (829677776928).
The spelling of 105207074427 in words is "one hundred five billion, two hundred seven million, seventy-four thousand, four hundred twenty-seven".
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