Base | Representation |
---|---|
bin | 111100010100110… |
… | …110110010010101 |
3 | 2121112110000112021 |
4 | 330110312302111 |
5 | 4033044201440 |
6 | 244232453141 |
7 | 34036465402 |
oct | 7424666225 |
9 | 2545400467 |
10 | 1012100245 |
11 | 47a338992 |
12 | 242b4a1b1 |
13 | 1318b59b0 |
14 | 985bb2a9 |
15 | 5dcc184a |
hex | 3c536c95 |
1012100245 has 32 divisors (see below), whose sum is σ = 1381653504. Its totient is φ = 706406400.
The previous prime is 1012100213. The next prime is 1012100249. The reversal of 1012100245 is 5420012101.
It is not a de Polignac number, because 1012100245 - 25 = 1012100213 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012100249) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80805 + ... + 92485.
It is an arithmetic number, because the mean of its divisors is an integer number (43176672).
Almost surely, 21012100245 is an apocalyptic number.
It is an amenable number.
1012100245 is a deficient number, since it is larger than the sum of its proper divisors (369553259).
1012100245 is a wasteful number, since it uses less digits than its factorization.
1012100245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11773.
The product of its (nonzero) digits is 80, while the sum is 16.
The square root of 1012100245 is about 31813.5229894459. The cubic root of 1012100245 is about 1004.0172550512.
Adding to 1012100245 its reverse (5420012101), we get a palindrome (6432112346).
The spelling of 1012100245 in words is "one billion, twelve million, one hundred thousand, two hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •