Base | Representation |
---|---|
bin | 110100101000111101101101… |
… | …000101010000100100111101 |
3 | 1010100201110200112202010121101 |
4 | 310220331231011100210331 |
5 | 220321104022234021303 |
6 | 2140215451154533101 |
7 | 66523203111624421 |
oct | 6450755505204475 |
9 | 1110643615663541 |
10 | 231513452251453 |
11 | 67849338286379 |
12 | 21b70a36897191 |
13 | 9c24817ac0b18 |
14 | 412544d08cb81 |
15 | 1bb72e21e9d1d |
hex | d28f6d15093d |
231513452251453 has 16 divisors (see below), whose sum is σ = 234593574808320. Its totient is φ = 228448061107200.
The previous prime is 231513452251399. The next prime is 231513452251463. The reversal of 231513452251453 is 354152254315132.
231513452251453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-231513452251453 is a prime.
It is a super-2 number, since 2×2315134522514532 (a number of 30 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 (231513452251463) 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, 75097548 + ... + 78119578.
It is an arithmetic number, because the mean of its divisors is an integer number (14662098425520).
Almost surely, 2231513452251453 is an apocalyptic number.
It is an amenable number.
231513452251453 is a deficient number, since it is larger than the sum of its proper divisors (3080122556867).
231513452251453 is a wasteful number, since it uses less digits than its factorization.
231513452251453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3024468.
The product of its digits is 2160000, while the sum is 46.
The spelling of 231513452251453 in words is "two hundred thirty-one trillion, five hundred thirteen billion, four hundred fifty-two million, two hundred fifty-one thousand, four hundred fifty-three".
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