Base | Representation |
---|---|
bin | 111111110011111… |
… | …1110111100100000 |
3 | 12112020000121120112 |
4 | 1333213332330200 |
5 | 13341121002442 |
6 | 552245030452 |
7 | 104026540145 |
oct | 17747767440 |
9 | 5466017515 |
10 | 2141187872 |
11 | 9a971015a |
12 | 4b90b5428 |
13 | 2817ac295 |
14 | 16452c3cc |
15 | c7ea1082 |
hex | 7f9fef20 |
2141187872 has 24 divisors (see below), whose sum is σ = 4219396272. Its totient is φ = 1069595200.
The previous prime is 2141187857. The next prime is 2141187889. The reversal of 2141187872 is 2787811412.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247 + ... + 65577.
It is an arithmetic number, because the mean of its divisors is an integer number (175808178).
Almost surely, 22141187872 is an apocalyptic number.
It is an amenable number.
2141187872 is a deficient number, since it is larger than the sum of its proper divisors (2078208400).
2141187872 is a wasteful number, since it uses less digits than its factorization.
2141187872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 62432 (or 62424 counting only the distinct ones).
The product of its digits is 50176, while the sum is 41.
The square root of 2141187872 is about 46272.9712899442. The cubic root of 2141187872 is about 1288.8971348308.
The spelling of 2141187872 in words is "two billion, one hundred forty-one million, one hundred eighty-seven thousand, eight hundred seventy-two".
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