Base | Representation |
---|---|
bin | 110100101001011011011101… |
… | …011001010001000000010110 |
3 | 1010100211112011010112202000020 |
4 | 310221123131121101000112 |
5 | 220322114440214042400 |
6 | 2140242253334130010 |
7 | 66525413616321333 |
oct | 6451333531210026 |
9 | 1110745133482006 |
10 | 231545401315350 |
11 | 67860942736a11 |
12 | 21b770724b0906 |
13 | 9c27839c07a65 |
14 | 4126c002d398a |
15 | 1bb8061ec42a0 |
hex | d296dd651016 |
231545401315350 has 96 divisors (see below), whose sum is σ = 577849798650624. Its totient is φ = 61356617424000.
The previous prime is 231545401315343. The next prime is 231545401315409. The reversal of 231545401315350 is 53513104545132.
It is a super-2 number, since 2×2315454013153502 (a number of 30 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 149622144 + ... + 151161756.
It is an arithmetic number, because the mean of its divisors is an integer number (6019268735944).
Almost surely, 2231545401315350 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231545401315350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288924899325312).
231545401315350 is an abundant number, since it is smaller than the sum of its proper divisors (346304397335274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231545401315350 is a wasteful number, since it uses less digits than its factorization.
231545401315350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1545942 (or 1545937 counting only the distinct ones).
The product of its (nonzero) digits is 540000, while the sum is 42.
The spelling of 231545401315350 in words is "two hundred thirty-one trillion, five hundred forty-five billion, four hundred one million, three hundred fifteen thousand, three hundred fifty".
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