Base | Representation |
---|---|
bin | 10011000010010110… |
… | …00101101001000000 |
3 | 222101021011112120200 |
4 | 21201023011221000 |
5 | 131412334344412 |
6 | 4410051005200 |
7 | 511160350341 |
oct | 114113055100 |
9 | 28337145520 |
10 | 10220231232 |
11 | 4375065aa2 |
12 | 1b92899800 |
13 | c6b509203 |
14 | 6cd4d00c8 |
15 | 3ec3b19dc |
hex | 2612c5a40 |
10220231232 has 84 divisors (see below), whose sum is σ = 29370398460. Its totient is φ = 3397911552.
The previous prime is 10220231221. The next prime is 10220231237. The reversal of 10220231232 is 23213202201.
It can be written as a sum of positive squares in 2 ways, for example, as 1114491456 + 9105739776 = 33384^2 + 95424^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (10220231237) 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, 201258 + ... + 246870.
Almost surely, 210220231232 is an apocalyptic number.
10220231232 is a gapful number since it is divisible by the number (12) 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 10220231232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14685199230).
10220231232 is an abundant number, since it is smaller than the sum of its proper divisors (19150167228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10220231232 is a wasteful number, since it uses less digits than its factorization.
10220231232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46020 (or 46007 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 10220231232 its reverse (23213202201), we get a palindrome (33433433433).
The spelling of 10220231232 in words is "ten billion, two hundred twenty million, two hundred thirty-one thousand, two hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •