Base | Representation |
---|---|
bin | 1110000110110101100000… |
… | …10000110111001111011100 |
3 | 11001211121011112101202111200 |
4 | 13003122300100313033130 |
5 | 13031222420010203200 |
6 | 145550540403315500 |
7 | 6351131346015342 |
oct | 703326020671734 |
9 | 131747145352450 |
10 | 31021211022300 |
11 | 998002699aa44 |
12 | 359015097bb90 |
13 | 1440397c65b55 |
14 | 793612877992 |
15 | 38bded772800 |
hex | 1c36b04373dc |
31021211022300 has 54 divisors (see below), whose sum is σ = 97234262551608. Its totient is φ = 8272322939040.
The previous prime is 31021211022293. The next prime is 31021211022311. The reversal of 31021211022300 is 322011212013.
31021211022300 is a `hidden beast` number, since 310 + 2 + 1 + 21 + 10 + 22 + 300 = 666.
It is a super-2 number, since 2×310212110223002 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 17 ways as a sum of consecutive naturals, for example, 17234005224 + ... + 17234007023.
Almost surely, 231021211022300 is an apocalyptic number.
31021211022300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31021211022300 is an abundant number, since it is smaller than the sum of its proper divisors (66213051529308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31021211022300 is a wasteful number, since it uses less digits than its factorization.
31021211022300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34468012267 (or 34468012257 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 31021211022300 its reverse (322011212013), we get a palindrome (31343222234313).
The spelling of 31021211022300 in words is "thirty-one trillion, twenty-one billion, two hundred eleven million, twenty-two thousand, three hundred".
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