Base | Representation |
---|---|
bin | 111111111001101… |
… | …0011010111011110 |
3 | 12112102121100211221 |
4 | 1333303103113132 |
5 | 13342400430402 |
6 | 552432403554 |
7 | 104064006025 |
oct | 17763232736 |
9 | 5472540757 |
10 | 2144155102 |
11 | a00357511 |
12 | 4ba0a65ba |
13 | 2822aaa3b |
14 | 164aa18bc |
15 | c838a337 |
hex | 7fcd35de |
2144155102 has 16 divisors (see below), whose sum is σ = 3258036432. Its totient is φ = 1058167360.
The previous prime is 2144155081. The next prime is 2144155109. The reversal of 2144155102 is 2015514412.
It is a super-2 number, since 2×21441551022 = 9194802202865260808, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2144155109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190578 + ... + 201514.
It is an arithmetic number, because the mean of its divisors is an integer number (203627277).
Almost surely, 22144155102 is an apocalyptic number.
2144155102 is a deficient number, since it is larger than the sum of its proper divisors (1113881330).
2144155102 is a wasteful number, since it uses less digits than its factorization.
2144155102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12203.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 2144155102 is about 46305.0224273782. The cubic root of 2144155102 is about 1289.4922389204.
Adding to 2144155102 its reverse (2015514412), we get a palindrome (4159669514).
The spelling of 2144155102 in words is "two billion, one hundred forty-four million, one hundred fifty-five thousand, one hundred two".
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