Base | Representation |
---|---|
bin | 101110010010111011… |
… | …101001011110101110 |
3 | 11202022100122221201220 |
4 | 232102323221132232 |
5 | 1303301144001230 |
6 | 34500352244210 |
7 | 3406565622252 |
oct | 562273513656 |
9 | 152270587656 |
10 | 49709750190 |
11 | 1a099949081 |
12 | 9773840666 |
13 | 48c28a6b89 |
14 | 2597d78262 |
15 | 145e15ed10 |
hex | b92ee97ae |
49709750190 has 64 divisors (see below), whose sum is σ = 121173062400. Its totient is φ = 13048485120.
The previous prime is 49709750161. The next prime is 49709750197. The reversal of 49709750190 is 9105790794.
It is a happy number.
It is a super-3 number, since 3×497097501903 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49709750197) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2968461 + ... + 2985159.
It is an arithmetic number, because the mean of its divisors is an integer number (1893329100).
Almost surely, 249709750190 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49709750190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60586531200).
49709750190 is an abundant number, since it is smaller than the sum of its proper divisors (71463312210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49709750190 is a wasteful number, since it uses less digits than its factorization.
49709750190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18257.
The product of its (nonzero) digits is 714420, while the sum is 51.
The spelling of 49709750190 in words is "forty-nine billion, seven hundred nine million, seven hundred fifty thousand, one hundred ninety".
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