Base | Representation |
---|---|
bin | 1100100010000… |
… | …01110010101000 |
3 | 21022211000020120 |
4 | 12101001302220 |
5 | 203403031310 |
6 | 14233123240 |
7 | 2414364642 |
oct | 621016250 |
9 | 238730216 |
10 | 105127080 |
11 | 54383593 |
12 | 2b259520 |
13 | 18a1a396 |
14 | dd67892 |
15 | 9368b70 |
hex | 6441ca8 |
105127080 has 64 divisors (see below), whose sum is σ = 317053440. Its totient is φ = 27885312.
The previous prime is 105127079. The next prime is 105127091. The reversal of 105127080 is 80721501.
It is a super-2 number, since 2×1051270802 = 22103405898652800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 105127080.
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, 21417 + ... + 25863.
It is an arithmetic number, because the mean of its divisors is an integer number (4953960).
Almost surely, 2105127080 is an apocalyptic number.
105127080 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 105127080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158526720).
105127080 is an abundant number, since it is smaller than the sum of its proper divisors (211926360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105127080 is a wasteful number, since it uses less digits than its factorization.
105127080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4658 (or 4654 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 24.
The square root of 105127080 is about 10253.1497599518. The cubic root of 105127080 is about 471.9596465549.
Adding to 105127080 its reverse (80721501), we get a palindrome (185848581).
The spelling of 105127080 in words is "one hundred five million, one hundred twenty-seven thousand, eighty".
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