Base | Representation |
---|---|
bin | 111110101010100… |
… | …1011101011101111 |
3 | 12102112121110211111 |
4 | 1331111023223233 |
5 | 13301243024004 |
6 | 544352132451 |
7 | 103051460632 |
oct | 17525135357 |
9 | 5375543744 |
10 | 2102704879 |
11 | 989a16330 |
12 | 4a8237127 |
13 | 276827092 |
14 | 15d391c19 |
15 | c48eda04 |
hex | 7d54baef |
2102704879 has 12 divisors (see below), whose sum is σ = 2303042040. Its totient is φ = 1903916000.
The previous prime is 2102704861. The next prime is 2102704889. The reversal of 2102704879 is 9784072012.
It is not a de Polignac number, because 2102704879 - 211 = 2102702831 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 (2102704889) 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, 2999229 + ... + 2999929.
It is an arithmetic number, because the mean of its divisors is an integer number (191920170).
Almost surely, 22102704879 is an apocalyptic number.
2102704879 is a deficient number, since it is larger than the sum of its proper divisors (200337161).
2102704879 is an frugal number, since it uses more digits than its factorization.
2102704879 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1802 (or 1101 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 2102704879 is about 45855.2601017593. The cubic root of 2102704879 is about 1281.1287404766.
The spelling of 2102704879 in words is "two billion, one hundred two million, seven hundred four thousand, eight hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •