Search a number
-
+
2821134650 = 25256422693
BaseRepresentation
bin1010100000100111…
…0001100100111010
321021121110111012112
42220021301210322
521234202302100
61143534412322
7126624151235
oct25011614472
97247414175
102821134650
111218503244
126689610a2
1335c619c59
141ca96641c
15117a11b35
hexa827193a

2821134650 has 12 divisors (see below), whose sum is σ = 5247310542. Its totient is φ = 1128453840.

The previous prime is 2821134647. The next prime is 2821134653. The reversal of 2821134650 is 564311282.

It is an interprime number because it is at equal distance from previous prime (2821134647) and next prime (2821134653).

It can be written as a sum of positive squares in 3 ways, for example, as 1215289321 + 1605845329 = 34861^2 + 40073^2 .

It is not an unprimeable number, because it can be changed into a prime (2821134653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28211297 + ... + 28211396.

Almost surely, 22821134650 is an apocalyptic number.

2821134650 is a deficient number, since it is larger than the sum of its proper divisors (2426175892).

2821134650 is a wasteful number, since it uses less digits than its factorization.

2821134650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56422705 (or 56422700 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2821134650 is about 53114.3544628004. The cubic root of 2821134650 is about 1412.9971038591.

The spelling of 2821134650 in words is "two billion, eight hundred twenty-one million, one hundred thirty-four thousand, six hundred fifty".

Divisors: 1 2 5 10 25 50 56422693 112845386 282113465 564226930 1410567325 2821134650