Base | Representation |
---|---|
bin | 10010101001001011… |
… | …01100111001100100 |
3 | 221211112220011102112 |
4 | 21110211230321210 |
5 | 130444312311342 |
6 | 4333105500152 |
7 | 503014660100 |
oct | 112445547144 |
9 | 27745804375 |
10 | 10009103972 |
11 | 4276972a5a |
12 | 1b34041658 |
13 | c3685723a |
14 | 6ad452900 |
15 | 3d8aaa682 |
hex | 25496ce64 |
10009103972 has 36 divisors (see below), whose sum is σ = 20414993004. Its totient is φ = 4281338880.
The previous prime is 10009103971. The next prime is 10009103981. The reversal of 10009103972 is 27930190001.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 6648119296 + 3360984676 = 81536^2 + 57974^2 .
It is not an unprimeable number, because it can be changed into a prime (10009103971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53108 + ... + 151124.
It is an arithmetic number, because the mean of its divisors is an integer number (567083139).
Almost surely, 210009103972 is an apocalyptic number.
It is an amenable number.
10009103972 is an abundant number, since it is smaller than the sum of its proper divisors (10405889032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10009103972 is a wasteful number, since it uses less digits than its factorization.
10009103972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98556 (or 98547 counting only the distinct ones).
The product of its (nonzero) digits is 3402, while the sum is 32.
Adding to 10009103972 its reverse (27930190001), we get a palindrome (37939293973).
The spelling of 10009103972 in words is "ten billion, nine million, one hundred three thousand, nine hundred seventy-two".
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