Base | Representation |
---|---|
bin | 1010100000011111… |
… | …1001011011000000 |
3 | 21021120112111002121 |
4 | 2220013321123000 |
5 | 21234041024441 |
6 | 1143520054024 |
7 | 126620031340 |
oct | 25007713300 |
9 | 7246474077 |
10 | 2820642496 |
11 | 12181a7501 |
12 | 668764314 |
13 | 35c4a6c39 |
14 | 1ca878d20 |
15 | 117965dd1 |
hex | a81f96c0 |
2820642496 has 56 divisors (see below), whose sum is σ = 6401933856. Its totient is φ = 1207879680.
The previous prime is 2820642479. The next prime is 2820642523. The reversal of 2820642496 is 6942460282.
It is a tau number, because it is divible by the number of its divisors (56).
It is a super-2 number, since 2×28206424962 = 15912048180482220032, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027686 + ... + 1030426.
Almost surely, 22820642496 is an apocalyptic number.
It is an amenable number.
2820642496 is an abundant number, since it is smaller than the sum of its proper divisors (3581291360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2820642496 is a wasteful number, since it uses less digits than its factorization.
2820642496 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5057 (or 5047 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 43.
The square root of 2820642496 is about 53109.7212946933. The cubic root of 2820642496 is about 1412.9149321202.
The spelling of 2820642496 in words is "two billion, eight hundred twenty million, six hundred forty-two thousand, four hundred ninety-six".
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