Base | Representation |
---|---|
bin | 10111010001010010011101… |
… | …100000011001000000010111 |
3 | 111102100220111020002010111012 |
4 | 113101102131200121000113 |
5 | 101403242204022234111 |
6 | 1001355440505402435 |
7 | 30362022000115406 |
oct | 2721223540310027 |
9 | 442326436063435 |
10 | 102343123243031 |
11 | 2a678524a99a90 |
12 | b58a948a9941b |
13 | 4514bb8663a68 |
14 | 1b3b60dad963d |
15 | bc72a5c2d48b |
hex | 5d149d819017 |
102343123243031 has 32 divisors (see below), whose sum is σ = 114693348384000. Its totient is φ = 90533141920000.
The previous prime is 102343123243027. The next prime is 102343123243093. The reversal of 102343123243031 is 130342321343201.
It is a cyclic number.
It is not a de Polignac number, because 102343123243031 - 22 = 102343123243027 is a prime.
It is a super-2 number, since 2×1023431232430312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102343123243021) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254194520 + ... + 254596818.
It is an arithmetic number, because the mean of its divisors is an integer number (3584167137000).
Almost surely, 2102343123243031 is an apocalyptic number.
102343123243031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
102343123243031 is a deficient number, since it is larger than the sum of its proper divisors (12350225140969).
102343123243031 is a wasteful number, since it uses less digits than its factorization.
102343123243031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 406351.
The product of its (nonzero) digits is 31104, while the sum is 32.
Adding to 102343123243031 its reverse (130342321343201), we get a palindrome (232685444586232).
The spelling of 102343123243031 in words is "one hundred two trillion, three hundred forty-three billion, one hundred twenty-three million, two hundred forty-three thousand, thirty-one".
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