Base | Representation |
---|---|
bin | 10010101011011100… |
… | …01110100000000100 |
3 | 221212212200001222200 |
4 | 21111232032200010 |
5 | 131014144202342 |
6 | 4335025154500 |
7 | 503335402500 |
oct | 112556164004 |
9 | 27785601880 |
10 | 10028115972 |
11 | 4286678a56 |
12 | 1b3a48ba30 |
13 | c3a782a44 |
14 | 6b1ba1300 |
15 | 3da5b394c |
hex | 255b8e804 |
10028115972 has 108 divisors (see below), whose sum is σ = 30438809856. Its totient is φ = 2772735840.
The previous prime is 10028115959. The next prime is 10028115973. The reversal of 10028115972 is 27951182001.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (10028115973) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37008 + ... + 146375.
It is an arithmetic number, because the mean of its divisors is an integer number (281840832).
Almost surely, 210028115972 is an apocalyptic number.
10028115972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
10028115972 is an abundant number, since it is smaller than the sum of its proper divisors (20410693884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10028115972 is a wasteful number, since it uses less digits than its factorization.
10028115972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 183438 (or 183426 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 36.
Adding to 10028115972 its reverse (27951182001), we get a palindrome (37979297973).
The spelling of 10028115972 in words is "ten billion, twenty-eight million, one hundred fifteen thousand, nine hundred seventy-two".
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