Base | Representation |
---|---|
bin | 1010101100111010… |
… | …1110000111001110 |
3 | 21102012121110202100 |
4 | 2223032232013032 |
5 | 21340411402310 |
6 | 1153021135530 |
7 | 131122036560 |
oct | 25316560716 |
9 | 7365543670 |
10 | 2872762830 |
11 | 1244666263 |
12 | 6820ba5a6 |
13 | 36a225482 |
14 | 1d3765330 |
15 | 11c30dec0 |
hex | ab3ae1ce |
2872762830 has 96 divisors (see below), whose sum is σ = 8557848000. Its totient is φ = 654967296.
The previous prime is 2872762807. The next prime is 2872762831. The reversal of 2872762830 is 382672782.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2872762831) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252096 + ... + 263244.
It is an arithmetic number, because the mean of its divisors is an integer number (89144250).
Almost surely, 22872762830 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2872762830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4278924000).
2872762830 is an abundant number, since it is smaller than the sum of its proper divisors (5685085170).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2872762830 is a wasteful number, since it uses less digits than its factorization.
2872762830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11578 (or 11575 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 45.
The square root of 2872762830 is about 53598.1606960537. The cubic root of 2872762830 is about 1421.5645702244.
The spelling of 2872762830 in words is "two billion, eight hundred seventy-two million, seven hundred sixty-two thousand, eight hundred thirty".
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