Base | Representation |
---|---|
bin | 11000011100011001… |
… | …10111110001101110 |
3 | 1020212120112110020122 |
4 | 30032030313301232 |
5 | 203334012011402 |
6 | 10010110444542 |
7 | 643126665146 |
oct | 141614676156 |
9 | 36776473218 |
10 | 13123157102 |
11 | 5624753190 |
12 | 2662b03752 |
13 | 1311a62923 |
14 | 8c6c67926 |
15 | 51c17cca2 |
hex | 30e337c6e |
13123157102 has 32 divisors (see below), whose sum is σ = 21562789248. Its totient is φ = 5940540000.
The previous prime is 13123157059. The next prime is 13123157137. The reversal of 13123157102 is 20175132131.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6795077 + ... + 6797007.
It is an arithmetic number, because the mean of its divisors is an integer number (673837164).
Almost surely, 213123157102 is an apocalyptic number.
13123157102 is a deficient number, since it is larger than the sum of its proper divisors (8439632146).
13123157102 is a wasteful number, since it uses less digits than its factorization.
13123157102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3056.
The product of its (nonzero) digits is 1260, while the sum is 26.
Adding to 13123157102 its reverse (20175132131), we get a palindrome (33298289233).
The spelling of 13123157102 in words is "thirteen billion, one hundred twenty-three million, one hundred fifty-seven thousand, one hundred two".
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