Base | Representation |
---|---|
bin | 1110010000110110101… |
… | …0111011001011011000 |
3 | 212102111102200100210022 |
4 | 3210031222323023120 |
5 | 13003321334221440 |
6 | 304323155010012 |
7 | 23463244550006 |
oct | 3441552731330 |
9 | 772442610708 |
10 | 245042492120 |
11 | 94a1610a1a8 |
12 | 3b5a8299908 |
13 | 1a151c8a28a |
14 | bc08251a76 |
15 | 65929a7cb5 |
hex | 390dabb2d8 |
245042492120 has 64 divisors (see below), whose sum is σ = 569856384000. Its totient is φ = 94734253440.
The previous prime is 245042492117. The next prime is 245042492137. The reversal of 245042492120 is 21294240542.
245042492120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850331 + ... + 1101429.
It is an arithmetic number, because the mean of its divisors is an integer number (8904006000).
Almost surely, 2245042492120 is an apocalyptic number.
245042492120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 245042492120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284928192000).
245042492120 is an abundant number, since it is smaller than the sum of its proper divisors (324813891880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245042492120 is a wasteful number, since it uses less digits than its factorization.
245042492120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251928 (or 251924 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 35.
The spelling of 245042492120 in words is "two hundred forty-five billion, forty-two million, four hundred ninety-two thousand, one hundred twenty".
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