Base | Representation |
---|---|
bin | 111111110111010… |
… | …1011010100110010 |
3 | 12112100022202111021 |
4 | 1333232223110302 |
5 | 13342043130024 |
6 | 552350410054 |
7 | 104050465546 |
oct | 17756532462 |
9 | 5470282437 |
10 | 2142942514 |
11 | 9aa6a9479 |
12 | 4b980092a |
13 | 281c74b2b |
14 | 164867a26 |
15 | c81eade4 |
hex | 7fbab532 |
2142942514 has 24 divisors (see below), whose sum is σ = 3422602620. Its totient is φ = 1006284128.
The previous prime is 2142942479. The next prime is 2142942533. The reversal of 2142942514 is 4152492412.
It can be written as a sum of positive squares in 2 ways, for example, as 2137490289 + 5452225 = 46233^2 + 2335^2 .
It is a Harshad number since it is a multiple of its sum of digits (34).
It is a self number, because there is not a number n which added to its sum of digits gives 2142942514.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4588509 + ... + 4588975.
Almost surely, 22142942514 is an apocalyptic number.
2142942514 is a deficient number, since it is larger than the sum of its proper divisors (1279660106).
2142942514 is an frugal number, since it uses more digits than its factorization.
2142942514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 987 (or 486 counting only the distinct ones).
The product of its digits is 23040, while the sum is 34.
The square root of 2142942514 is about 46291.9270931768. The cubic root of 2142942514 is about 1289.2491101055.
Multiplying 2142942514 by its sum of digits (34), we get a square (72860045476 = 2699262).
2142942514 divided by its sum of digits (34) gives a square (63027721 = 79392).
The spelling of 2142942514 in words is "two billion, one hundred forty-two million, nine hundred forty-two thousand, five hundred fourteen".
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