Search a number
-
+
2810142628 = 225197135181
BaseRepresentation
bin1010011101111111…
…0101111110100100
321020211210000222121
42213133311332210
521223344031003
61142503035324
7126431550436
oct24737657644
97224700877
102810142628
111212285827
1266513bb44
1335a26b9b7
141c9304656
15116a8ecbd
hexa77f5fa4

2810142628 has 12 divisors (see below), whose sum is σ = 4918732252. Its totient is φ = 1404790560.

The previous prime is 2810142623. The next prime is 2810142679. The reversal of 2810142628 is 8262410182.

It can be written as a sum of positive squares in 2 ways, for example, as 2142023524 + 668119104 = 46282^2 + 25848^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2810142593 and 2810142602.

It is not an unprimeable number, because it can be changed into a prime (2810142623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46803 + ... + 88378.

Almost surely, 22810142628 is an apocalyptic number.

It is an amenable number.

2810142628 is a deficient number, since it is larger than the sum of its proper divisors (2108589624).

2810142628 is a wasteful number, since it uses less digits than its factorization.

2810142628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140382 (or 140380 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 2810142628 is about 53010.7784134510. The cubic root of 2810142628 is about 1411.1595558424.

The spelling of 2810142628 in words is "two billion, eight hundred ten million, one hundred forty-two thousand, six hundred twenty-eight".

Divisors: 1 2 4 5197 10394 20788 135181 270362 540724 702535657 1405071314 2810142628