Base | Representation |
---|---|
bin | 1110001111101000000010… |
… | …11101100011010111110000 |
3 | 11002220110201010110221111211 |
4 | 13013310001131203113300 |
5 | 13101144424034422000 |
6 | 150341404501445504 |
7 | 6412012421416066 |
oct | 707640135432760 |
9 | 132813633427454 |
10 | 31323221014000 |
11 | 9a87115738803 |
12 | 361a797410894 |
13 | 14629c8329956 |
14 | 7a40a2916036 |
15 | 394bc76197ba |
hex | 1c7d017635f0 |
31323221014000 has 80 divisors (see below), whose sum is σ = 75891333492000. Its totient is φ = 12504179212800.
The previous prime is 31323221013967. The next prime is 31323221014031. The reversal of 31323221014000 is 41012232313.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×313232210140002 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14694997 + ... + 16690996.
It is an arithmetic number, because the mean of its divisors is an integer number (948641668650).
Almost surely, 231323221014000 is an apocalyptic number.
It is an amenable number.
31323221014000 is an abundant number, since it is smaller than the sum of its proper divisors (44568112478000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31323221014000 is a wasteful number, since it uses less digits than its factorization.
31323221014000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31386515 (or 31386499 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 31323221014000 its reverse (41012232313), we get a palindrome (31364233246313).
The spelling of 31323221014000 in words is "thirty-one trillion, three hundred twenty-three billion, two hundred twenty-one million, fourteen thousand".
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