Base | Representation |
---|---|
bin | 10010111010011101… |
… | …00110110110010010 |
3 | 222012122121220220000 |
4 | 21131032212312102 |
5 | 131243413413233 |
6 | 4355324230430 |
7 | 506424646131 |
oct | 113516466622 |
9 | 28178556800 |
10 | 10154044818 |
11 | 434076a185 |
12 | 1b7469b416 |
13 | c5a8a4458 |
14 | 6c47c1918 |
15 | 3e668ad13 |
hex | 25d3a6d92 |
10154044818 has 80 divisors (see below), whose sum is σ = 24120104184. Its totient is φ = 3181731840.
The previous prime is 10154044793. The next prime is 10154044837. The reversal of 10154044818 is 81844045101.
10154044818 is a `hidden beast` number, since 101 + 540 + 4 + 4 + 8 + 1 + 8 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 9646579089 + 507465729 = 98217^2 + 22527^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3019458 + ... + 3022818.
Almost surely, 210154044818 is an apocalyptic number.
10154044818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 10154044818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12060052092).
10154044818 is an abundant number, since it is smaller than the sum of its proper divisors (13966059366).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10154044818 is a wasteful number, since it uses less digits than its factorization.
10154044818 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4489 (or 4480 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 36.
Adding to 10154044818 its reverse (81844045101), we get a palindrome (91998089919).
The spelling of 10154044818 in words is "ten billion, one hundred fifty-four million, forty-four thousand, eight hundred eighteen".
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