Base | Representation |
---|---|
bin | 1111110010011111110… |
… | …00010111100000111110 |
3 | 1220212022011212001221100 |
4 | 13321033320113200332 |
5 | 32342023022240432 |
6 | 1053120203313530 |
7 | 54123543250200 |
oct | 7711770274076 |
9 | 1825264761840 |
10 | 542506055742 |
11 | 19a091586292 |
12 | 8918421b8a6 |
13 | 3c20946cc51 |
14 | 1c38657a770 |
15 | e1a264007c |
hex | 7e4fe1783e |
542506055742 has 72 divisors (see below), whose sum is σ = 1447768301616. Its totient is φ = 145883977344.
The previous prime is 542506055723. The next prime is 542506055761. The reversal of 542506055742 is 247550605245.
542506055742 is a `hidden beast` number, since 5 + 4 + 2 + 50 + 6 + 0 + 557 + 42 = 666.
It is an interprime number because it is at equal distance from previous prime (542506055723) and next prime (542506055761).
It is a super-2 number, since 2×5425060557422 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18075778 + ... + 18105765.
It is an arithmetic number, because the mean of its divisors is an integer number (20107893078).
Almost surely, 2542506055742 is an apocalyptic number.
542506055742 is an abundant number, since it is smaller than the sum of its proper divisors (905262245874).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
542506055742 is a wasteful number, since it uses less digits than its factorization.
542506055742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36181582 (or 36181572 counting only the distinct ones).
The product of its (nonzero) digits is 1680000, while the sum is 45.
The spelling of 542506055742 in words is "five hundred forty-two billion, five hundred six million, fifty-five thousand, seven hundred forty-two".
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