Base | Representation |
---|---|
bin | 111001010010101000… |
… | …0001010011101000101 |
3 | 102202120021120220211111 |
4 | 1302211100022131011 |
5 | 4003432034441203 |
6 | 132304145205021 |
7 | 11613560010511 |
oct | 1624520123505 |
9 | 382507526744 |
10 | 123031562053 |
11 | 481a5122604 |
12 | 1ba17030771 |
13 | b7a929c87a |
14 | 5d51c07141 |
15 | 33011d126d |
hex | 1ca540a745 |
123031562053 has 16 divisors (see below), whose sum is σ = 134780405760. Its totient is φ = 111785184000.
The previous prime is 123031562041. The next prime is 123031562131. The reversal of 123031562053 is 350265130321.
It is a cyclic number.
It is not a de Polignac number, because 123031562053 - 25 = 123031562021 is a prime.
It is a super-2 number, since 2×1230315620532 (a number of 23 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 (123031562453) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4497808 + ... + 4525078.
It is an arithmetic number, because the mean of its divisors is an integer number (8423775360).
Almost surely, 2123031562053 is an apocalyptic number.
It is an amenable number.
123031562053 is a deficient number, since it is larger than the sum of its proper divisors (11748843707).
123031562053 is a wasteful number, since it uses less digits than its factorization.
123031562053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36468.
The product of its (nonzero) digits is 16200, while the sum is 31.
Adding to 123031562053 its reverse (350265130321), we get a palindrome (473296692374).
The spelling of 123031562053 in words is "one hundred twenty-three billion, thirty-one million, five hundred sixty-two thousand, fifty-three".
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