Base | Representation |
---|---|
bin | 11110110001111111000… |
… | …010010101111001000111 |
3 | 21111012211202220011200011 |
4 | 132301333002111321013 |
5 | 234124020314330043 |
6 | 4255422420331051 |
7 | 305551665536605 |
oct | 36617702257107 |
9 | 7435752804604 |
10 | 2115255230023 |
11 | 746090484001 |
12 | 2a1b4a843a87 |
13 | 124610743c30 |
14 | 745439b2875 |
15 | 3a05164559d |
hex | 1ec7f095e47 |
2115255230023 has 4 divisors (see below), whose sum is σ = 2277967170808. Its totient is φ = 1952543289240.
The previous prime is 2115255229979. The next prime is 2115255230071. The reversal of 2115255230023 is 3200325525112.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2115255230023 - 213 = 2115255221831 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2115255233023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81355970373 + ... + 81355970398.
It is an arithmetic number, because the mean of its divisors is an integer number (569491792702).
Almost surely, 22115255230023 is an apocalyptic number.
2115255230023 is a deficient number, since it is larger than the sum of its proper divisors (162711940785).
2115255230023 is a wasteful number, since it uses less digits than its factorization.
2115255230023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162711940784.
The product of its (nonzero) digits is 18000, while the sum is 31.
The spelling of 2115255230023 in words is "two trillion, one hundred fifteen billion, two hundred fifty-five million, two hundred thirty thousand, twenty-three".
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