Base | Representation |
---|---|
bin | 101111100011100000… |
… | …0110101000101101001 |
3 | 100202121010200120210010 |
4 | 1133013000311011221 |
5 | 3133122010144431 |
6 | 114525325042133 |
7 | 10243464202335 |
oct | 1370700650551 |
9 | 322533616703 |
10 | 102123131241 |
11 | 3a34593301a |
12 | 179609b6349 |
13 | 9826639011 |
14 | 4d2b00c7c5 |
15 | 29ca820846 |
hex | 17c7035169 |
102123131241 has 8 divisors (see below), whose sum is σ = 136951251840. Its totient is φ = 67688549072.
The previous prime is 102123131237. The next prime is 102123131251. The reversal of 102123131241 is 142131321201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 102123131241 - 22 = 102123131237 is a prime.
It is not an unprimeable number, because it can be changed into a prime (102123131251) 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, 98384001 + ... + 98385038.
It is an arithmetic number, because the mean of its divisors is an integer number (17118906480).
Almost surely, 2102123131241 is an apocalyptic number.
It is an amenable number.
102123131241 is a deficient number, since it is larger than the sum of its proper divisors (34828120599).
102123131241 is a wasteful number, since it uses less digits than its factorization.
102123131241 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196769215.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 102123131241 its reverse (142131321201), we get a palindrome (244254452442).
The spelling of 102123131241 in words is "one hundred two billion, one hundred twenty-three million, one hundred thirty-one thousand, two hundred forty-one".
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