Base | Representation |
---|---|
bin | 1100010111000011001… |
… | …0101111101001010110 |
3 | 202022002201222200000100 |
4 | 3011300302233221112 |
5 | 11434341002414204 |
6 | 241314510154530 |
7 | 21225061035366 |
oct | 3056062575126 |
9 | 668081880010 |
10 | 212345748054 |
11 | 82067703470 |
12 | 351a21b2a46 |
13 | 17040cab73b |
14 | a3c59c09a6 |
15 | 57cc23da39 |
hex | 3170cafa56 |
212345748054 has 48 divisors (see below), whose sum is σ = 502078571280. Its totient is φ = 64325345280.
The previous prime is 212345748053. The next prime is 212345748077. The reversal of 212345748054 is 450847543212.
212345748054 is a `hidden beast` number, since 2 + 1 + 23 + 4 + 574 + 8 + 0 + 54 = 666.
It is a super-2 number, since 2×2123457480542 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212345748053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407254 + ... + 768470.
It is an arithmetic number, because the mean of its divisors is an integer number (10459970235).
Almost surely, 2212345748054 is an apocalyptic number.
212345748054 is an abundant number, since it is smaller than the sum of its proper divisors (289732823226).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212345748054 is a wasteful number, since it uses less digits than its factorization.
212345748054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 364205 (or 364202 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 45.
The spelling of 212345748054 in words is "two hundred twelve billion, three hundred forty-five million, seven hundred forty-eight thousand, fifty-four".
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