Base | Representation |
---|---|
bin | 1110000111110001011000… |
… | …00111010011011110001000 |
3 | 11001221200010121110001110110 |
4 | 13003320230013103132020 |
5 | 13032234232014143334 |
6 | 150013414055514320 |
7 | 6353350023653226 |
oct | 703705407233610 |
9 | 131850117401413 |
10 | 31053353662344 |
11 | 9992720646172 |
12 | 35964213889a0 |
13 | 144341b1c81a0 |
14 | 794dc16abb16 |
15 | 38cb80537ae9 |
hex | 1c3e2c1d3788 |
31053353662344 has 128 divisors (see below), whose sum is σ = 85873909968000. Its totient is φ = 9295649869824.
The previous prime is 31053353662339. The next prime is 31053353662349. The reversal of 31053353662344 is 44326635335013.
It is an interprime number because it is at equal distance from previous prime (31053353662339) and next prime (31053353662349).
It is a super-2 number, since 2×310533536623442 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31053353662293 and 31053353662302.
It is not an unprimeable number, because it can be changed into a prime (31053353662349) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112288912 + ... + 112565120.
It is an arithmetic number, because the mean of its divisors is an integer number (670889921625).
Almost surely, 231053353662344 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31053353662344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42936954984000).
31053353662344 is an abundant number, since it is smaller than the sum of its proper divisors (54820556305656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31053353662344 is a wasteful number, since it uses less digits than its factorization.
31053353662344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286007 (or 286003 counting only the distinct ones).
The product of its (nonzero) digits is 6998400, while the sum is 48.
Adding to 31053353662344 its reverse (44326635335013), we get a palindrome (75379988997357).
The spelling of 31053353662344 in words is "thirty-one trillion, fifty-three billion, three hundred fifty-three million, six hundred sixty-two thousand, three hundred forty-four".
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