Base | Representation |
---|---|
bin | 11101110100000110000001… |
… | …101110100000101111110001 |
3 | 122012021020222120010102112201 |
4 | 131310012001232200233301 |
5 | 114141310340124030301 |
6 | 1142513103124023201 |
7 | 36422224644023623 |
oct | 3564060156405761 |
9 | 565236876112481 |
10 | 131123233033201 |
11 | 38864061742a02 |
12 | 12858689531b01 |
13 | 5821b387a1386 |
14 | 2454581094c13 |
15 | 1025c39a3b201 |
hex | 774181ba0bf1 |
131123233033201 has 32 divisors (see below), whose sum is σ = 134857601077248. Its totient is φ = 127431486074880.
The previous prime is 131123233033103. The next prime is 131123233033231. The reversal of 131123233033201 is 102330332321131.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 131123233033201 - 213 = 131123233025009 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131123233033201.
It is not an unprimeable number, because it can be changed into a prime (131123233033231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9703481221 + ... + 9703494733.
It is an arithmetic number, because the mean of its divisors is an integer number (4214300033664).
Almost surely, 2131123233033201 is an apocalyptic number.
It is an amenable number.
131123233033201 is a deficient number, since it is larger than the sum of its proper divisors (3734368044047).
131123233033201 is a wasteful number, since it uses less digits than its factorization.
131123233033201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16081.
The product of its (nonzero) digits is 5832, while the sum is 28.
Adding to 131123233033201 its reverse (102330332321131), we get a palindrome (233453565354332).
The spelling of 131123233033201 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred thirty-three million, thirty-three thousand, two hundred one".
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