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3115113352 = 2313613171549
BaseRepresentation
bin1011100110101100…
…1101101110001000
322001002122011011121
42321223031232020
522334432111402
61233035405024
7140124012061
oct27153155610
98032564147
103115113352
11135944484a
1272b2b3774
133a84ba150
14217a0d568
15133731837
hexb9acdb88

3115113352 has 64 divisors (see below), whose sum is σ = 6417558000. Its totient is φ = 1408803840.

The previous prime is 3115113341. The next prime is 3115113359. The reversal of 3115113352 is 2533115113.

It can be written as a sum of positive squares in 8 ways, for example, as 14182756 + 3100930596 = 3766^2 + 55686^2 .

It is not an unprimeable number, because it can be changed into a prime (3115113359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2010274 + ... + 2011822.

Almost surely, 23115113352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3115113352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208779000).

3115113352 is an abundant number, since it is smaller than the sum of its proper divisors (3302444648).

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

3115113352 is a wasteful number, since it uses less digits than its factorization.

3115113352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1942 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 3115113352 is about 55813.2005174403. The cubic root of 3115113352 is about 1460.4654411453.

Adding to 3115113352 its reverse (2533115113), we get a palindrome (5648228465).

The spelling of 3115113352 in words is "three billion, one hundred fifteen million, one hundred thirteen thousand, three hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 61 104 122 244 317 488 634 793 1268 1549 1586 2536 3098 3172 4121 6196 6344 8242 12392 16484 19337 20137 32968 38674 40274 77348 80548 94489 154696 161096 188978 251381 377956 491033 502762 755912 982066 1005524 1228357 1964132 2011048 2456714 3928264 4913428 6383429 9826856 12766858 25533716 29953013 51067432 59906026 119812052 239624104 389389169 778778338 1557556676 3115113352