Base | Representation |
---|---|
bin | 111001011000110111… |
… | …1000111010000010001 |
3 | 102210002212200120102121 |
4 | 1302301233013100101 |
5 | 4004344144031001 |
6 | 132341030214241 |
7 | 11622012142555 |
oct | 1626157072021 |
9 | 383085616377 |
10 | 123241002001 |
11 | 482a2372977 |
12 | 1ba751b4381 |
13 | b8107b0830 |
14 | 5d71965865 |
15 | 33147a26a1 |
hex | 1cb1bc7411 |
123241002001 has 8 divisors (see below), whose sum is σ = 132728708840. Its totient is φ = 113754385152.
The previous prime is 123241001999. The next prime is 123241002007. The reversal of 123241002001 is 100200142321.
It can be written as a sum of positive squares in 4 ways, for example, as 617771025 + 122623230976 = 24855^2 + 350176^2 .
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 123241002001 - 21 = 123241001999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (123241002007) 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, 29640 + ... + 497353.
It is an arithmetic number, because the mean of its divisors is an integer number (16591088605).
Almost surely, 2123241002001 is an apocalyptic number.
It is an amenable number.
123241002001 is a deficient number, since it is larger than the sum of its proper divisors (9487706839).
123241002001 is a wasteful number, since it uses less digits than its factorization.
123241002001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 544995.
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 123241002001 its reverse (100200142321), we get a palindrome (223441144322).
The spelling of 123241002001 in words is "one hundred twenty-three billion, two hundred forty-one million, two thousand, one".
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