Base | Representation |
---|---|
bin | 1110000110111110011100… |
… | …10011010100100000000000 |
3 | 11001212001112222102120000100 |
4 | 13003133032103110200000 |
5 | 13031312232021401313 |
6 | 145553052513122400 |
7 | 6351361310151660 |
oct | 703371623244000 |
9 | 131761488376010 |
10 | 31026009950208 |
11 | 9982069852569 |
12 | 359106bb59400 |
13 | 1440981253470 |
14 | 793949d581a0 |
15 | 38c0cec0c173 |
hex | 1c37ce4d4800 |
31026009950208 has 576 divisors, whose sum is σ = 110370985845120. Its totient is φ = 8176510697472.
The previous prime is 31026009950179. The next prime is 31026009950209. The reversal of 31026009950208 is 80205990062013.
31026009950208 is a `hidden beast` number, since 3 + 10 + 2 + 600 + 9 + 9 + 5 + 0 + 20 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (576).
It is a super-2 number, since 2×310260099502082 (a number of 28 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (31026009950209) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2487447460 + ... + 2487459932.
It is an arithmetic number, because the mean of its divisors is an integer number (191616294870).
Almost surely, 231026009950208 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 31026009950208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55185492922560).
31026009950208 is an abundant number, since it is smaller than the sum of its proper divisors (79344975894912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31026009950208 is a wasteful number, since it uses less digits than its factorization.
31026009950208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14004 (or 13981 counting only the distinct ones).
The product of its (nonzero) digits is 233280, while the sum is 45.
The spelling of 31026009950208 in words is "thirty-one trillion, twenty-six billion, nine million, nine hundred fifty thousand, two hundred eight".
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