Base | Representation |
---|---|
bin | 1010111110101111… |
… | …0000001000011110 |
3 | 21121102012121101021 |
4 | 2233223300020132 |
5 | 22014023412032 |
6 | 1204250434354 |
7 | 133020120253 |
oct | 25753601036 |
9 | 7542177337 |
10 | 2947482142 |
11 | 128285aa60 |
12 | 6a31329ba |
13 | 37c857097 |
14 | 1dd65542a |
15 | 123b6d097 |
hex | afaf021e |
2947482142 has 16 divisors (see below), whose sum is σ = 4925774592. Its totient is φ = 1311258520.
The previous prime is 2947482127. The next prime is 2947482149. The reversal of 2947482142 is 2412847492.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2947482149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424248 + ... + 1426315.
It is an arithmetic number, because the mean of its divisors is an integer number (307860912).
Almost surely, 22947482142 is an apocalyptic number.
2947482142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2947482142 is a deficient number, since it is larger than the sum of its proper divisors (1978292450).
2947482142 is a wasteful number, since it uses less digits than its factorization.
2947482142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2850623.
The product of its digits is 258048, while the sum is 43.
The square root of 2947482142 is about 54290.7187463935. The cubic root of 2947482142 is about 1433.7839928629.
The spelling of 2947482142 in words is "two billion, nine hundred forty-seven million, four hundred eighty-two thousand, one hundred forty-two".
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