Base | Representation |
---|---|
bin | 1110001111110100110001… |
… | …10000111010000001110111 |
3 | 11002221010100100201122200120 |
4 | 13013322120300322001313 |
5 | 13101302422412230310 |
6 | 150344454525143023 |
7 | 6412343645361306 |
oct | 707723060720167 |
9 | 132833310648616 |
10 | 31330054414455 |
11 | 9a8a001a426a5 |
12 | 361bb839baa73 |
13 | 1463546c71284 |
14 | 7a45502a643d |
15 | 394e774c5b70 |
hex | 1c7e98c3a077 |
31330054414455 has 16 divisors (see below), whose sum is σ = 50390537785344. Its totient is φ = 16621878780320.
The previous prime is 31330054414453. The next prime is 31330054414489. The reversal of 31330054414455 is 55441445003313.
It is not a de Polignac number, because 31330054414455 - 21 = 31330054414453 is a prime.
It is a super-2 number, since 2×313300544144552 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31330054414453) 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, 5467720419 + ... + 5467726148.
It is an arithmetic number, because the mean of its divisors is an integer number (3149408611584).
Almost surely, 231330054414455 is an apocalyptic number.
31330054414455 is a deficient number, since it is larger than the sum of its proper divisors (19060483370889).
31330054414455 is a wasteful number, since it uses less digits than its factorization.
31330054414455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10935446766.
The product of its (nonzero) digits is 864000, while the sum is 42.
Adding to 31330054414455 its reverse (55441445003313), we get a palindrome (86771499417768).
The spelling of 31330054414455 in words is "thirty-one trillion, three hundred thirty billion, fifty-four million, four hundred fourteen thousand, four hundred fifty-five".
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