Base | Representation |
---|---|
bin | 1010001111110111… |
… | …1110111010100010 |
3 | 21002201100221222000 |
4 | 2203331332322202 |
5 | 21113214402230 |
6 | 1132550024430 |
7 | 125112362520 |
oct | 24375767242 |
9 | 7081327860 |
10 | 2750934690 |
11 | 1191915a49 |
12 | 649348116 |
13 | 34ac0b40a |
14 | 1c14d1310 |
15 | 111796b60 |
hex | a3f7eea2 |
2750934690 has 256 divisors, whose sum is σ = 8639447040. Its totient is φ = 609949440.
The previous prime is 2750934661. The next prime is 2750934691. The reversal of 2750934690 is 964390572.
It is a happy number.
2750934690 is a `hidden beast` number, since 27 + 509 + 34 + 6 + 90 = 666.
It is a super-2 number, since 2×27509346902 = 15135283337290792200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (2750934691) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12335919 + ... + 12336141.
It is an arithmetic number, because the mean of its divisors is an integer number (33747840).
Almost surely, 22750934690 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2750934690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4319723520).
2750934690 is an abundant number, since it is smaller than the sum of its proper divisors (5888512350).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2750934690 is a wasteful number, since it uses less digits than its factorization.
2750934690 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 414 (or 408 counting only the distinct ones).
The product of its (nonzero) digits is 408240, while the sum is 45.
The square root of 2750934690 is about 52449.3535708497. The cubic root of 2750934690 is about 1401.1783769321.
The spelling of 2750934690 in words is "two billion, seven hundred fifty million, nine hundred thirty-four thousand, six hundred ninety".
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