Base | Representation |
---|---|
bin | 11011111110000011110111… |
… | …001010010011110010110110 |
3 | 121010112211111111001011111001 |
4 | 123332003313022103302312 |
5 | 112110412044032013220 |
6 | 1113342534241033514 |
7 | 34624216166060560 |
oct | 3376036712236266 |
9 | 533484444034431 |
10 | 123012010032310 |
11 | 36217111823a23 |
12 | 1196867532589a |
13 | 5383ca11c4869 |
14 | 2253b55036330 |
15 | e34c5844c80a |
hex | 6fe0f7293cb6 |
123012010032310 has 128 divisors (see below), whose sum is σ = 276863084467200. Its totient is φ = 38395158520320.
The previous prime is 123012010032293. The next prime is 123012010032313. The reversal of 123012010032310 is 13230010210321.
It is a super-2 number, since 2×1230120100323102 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123012010032313) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 580644 + ... + 15695896.
It is an arithmetic number, because the mean of its divisors is an integer number (2162992847400).
Almost surely, 2123012010032310 is an apocalyptic number.
123012010032310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123012010032310 is an abundant number, since it is smaller than the sum of its proper divisors (153851074434890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123012010032310 is a wasteful number, since it uses less digits than its factorization.
123012010032310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15115526.
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 123012010032310 its reverse (13230010210321), we get a palindrome (136242020242631).
The spelling of 123012010032310 in words is "one hundred twenty-three trillion, twelve billion, ten million, thirty-two thousand, three hundred ten".
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