Base | Representation |
---|---|
bin | 10011001101010011… |
… | …11011110000001000 |
3 | 222121200020012111112 |
4 | 21212221323300020 |
5 | 132104411001042 |
6 | 4423134145452 |
7 | 513355165400 |
oct | 114651736010 |
9 | 28550205445 |
10 | 10312203272 |
11 | 4411a73a48 |
12 | 1bb9652288 |
13 | c8459b937 |
14 | 6db7d1800 |
15 | 4054cc982 |
hex | 266a7bc08 |
10312203272 has 108 divisors (see below), whose sum is σ = 23618527695. Its totient is φ = 4208406048.
The previous prime is 10312203271. The next prime is 10312203331. The reversal of 10312203272 is 27230221301.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 5156101636 + 5156101636 = 71806^2 + 71806^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=71806.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is not an unprimeable number, because it can be changed into a prime (10312203271) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46242953 + ... + 46243175.
Almost surely, 210312203272 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10312203272
10312203272 is an abundant number, since it is smaller than the sum of its proper divisors (13306324423).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10312203272 is an equidigital number, since it uses as much as digits as its factorization.
10312203272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512 (or 255 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 23.
Adding to 10312203272 its reverse (27230221301), we get a palindrome (37542424573).
The spelling of 10312203272 in words is "ten billion, three hundred twelve million, two hundred three thousand, two hundred seventy-two".
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