Search a number
-
+
3115021350 = 235271747279
BaseRepresentation
bin1011100110101011…
…0111010000100110
322001002110110222010
42321222313100212
522334421140400
61233033415050
7140123146620
oct27152672046
98032413863
103115021350
111359391711
1272b26a486
133a84872cc
142179c7c10
15133714450
hexb9ab7426

3115021350 has 288 divisors, whose sum is σ = 9672238080. Its totient is φ = 647562240.

The previous prime is 3115021339. The next prime is 3115021373. The reversal of 3115021350 is 531205113.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 39430611 + ... + 39430689.

It is an arithmetic number, because the mean of its divisors is an integer number (33584160).

Almost surely, 23115021350 is an apocalyptic number.

3115021350 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115021350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4836119040).

3115021350 is an abundant number, since it is smaller than the sum of its proper divisors (6557216730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3115021350 is a wasteful number, since it uses less digits than its factorization.

3115021350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 3115021350 is about 55812.3763156524. The cubic root of 3115021350 is about 1460.4510631704.

Adding to 3115021350 its reverse (531205113), we get a palindrome (3646226463).

The spelling of 3115021350 in words is "three billion, one hundred fifteen million, twenty-one thousand, three hundred fifty".