Base | Representation |
---|---|
bin | 111111110101110… |
… | …1010101011110110 |
3 | 12112021211200010010 |
4 | 1333223222223312 |
5 | 13341342402322 |
6 | 552321441050 |
7 | 104041001241 |
oct | 17753525366 |
9 | 5467750103 |
10 | 2142153462 |
11 | 9aa20a669 |
12 | 4b94a0186 |
13 | 281a59937 |
14 | 164700258 |
15 | c80e220c |
hex | 7faeaaf6 |
2142153462 has 32 divisors (see below), whose sum is σ = 4324136544. Its totient is φ = 707443200.
The previous prime is 2142153439. The next prime is 2142153463. The reversal of 2142153462 is 2643512412.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2142153463) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297262 + ... + 304382.
It is an arithmetic number, because the mean of its divisors is an integer number (135129267).
Almost surely, 22142153462 is an apocalyptic number.
2142153462 is an abundant number, since it is smaller than the sum of its proper divisors (2181983082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2142153462 is a wasteful number, since it uses less digits than its factorization.
2142153462 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7584.
The product of its digits is 11520, while the sum is 30.
The square root of 2142153462 is about 46283.4037425944. The cubic root of 2142153462 is about 1289.0908527147.
Adding to 2142153462 its reverse (2643512412), we get a palindrome (4785665874).
The spelling of 2142153462 in words is "two billion, one hundred forty-two million, one hundred fifty-three thousand, four hundred sixty-two".
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