Base | Representation |
---|---|
bin | 111001000111101010… |
… | …1000010101010110011 |
3 | 102201121122110201202102 |
4 | 1302033111002222303 |
5 | 4002203404222011 |
6 | 132203445411015 |
7 | 11601502414310 |
oct | 1621725025263 |
9 | 381548421672 |
10 | 122663742131 |
11 | 48026536aa7 |
12 | 1b933a09a6b |
13 | b74b017648 |
14 | 5d1901bd07 |
15 | 32cdc7773b |
hex | 1c8f542ab3 |
122663742131 has 8 divisors (see below), whose sum is σ = 148433436000. Its totient is φ = 98955623808.
The previous prime is 122663742127. The next prime is 122663742133. The reversal of 122663742131 is 131247366221.
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 122663742131 - 22 = 122663742127 is a prime.
It is a super-2 number, since 2×1226637421312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122663742133) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 515393756 + ... + 515393993.
It is an arithmetic number, because the mean of its divisors is an integer number (18554179500).
Almost surely, 2122663742131 is an apocalyptic number.
122663742131 is a deficient number, since it is larger than the sum of its proper divisors (25769693869).
122663742131 is a wasteful number, since it uses less digits than its factorization.
122663742131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1030787773.
The product of its digits is 72576, while the sum is 38.
The spelling of 122663742131 in words is "one hundred twenty-two billion, six hundred sixty-three million, seven hundred forty-two thousand, one hundred thirty-one".
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