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3018131316 = 223283836981
BaseRepresentation
bin1011001111100101…
…0000011101110100
321210100010221211100
42303321100131310
522140120200231
61215253010100
7134535456444
oct26371203564
97710127740
103018131316
111309724802
12702923930
13391392225
14208ba6124
15129e761e6
hexb3e50774

3018131316 has 18 divisors (see below), whose sum is σ = 7629165362. Its totient is φ = 1006043760.

The previous prime is 3018131293. The next prime is 3018131317. The reversal of 3018131316 is 6131318103.

It can be written as a sum of positive squares in only one way, i.e., 2298818916 + 719312400 = 47946^2 + 26820^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3018131316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3018131317) 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 5 ways as a sum of consecutive naturals, for example, 41918455 + ... + 41918526.

Almost surely, 23018131316 is an apocalyptic number.

3018131316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3018131316 is an abundant number, since it is smaller than the sum of its proper divisors (4611034046).

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

3018131316 is a wasteful number, since it uses less digits than its factorization.

3018131316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83836991 (or 83836986 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3018131316 is about 54937.5219317362. The cubic root of 3018131316 is about 1445.1492789270.

Adding to 3018131316 its reverse (6131318103), we get a palindrome (9149449419).

The spelling of 3018131316 in words is "three billion, eighteen million, one hundred thirty-one thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 83836981 167673962 251510943 335347924 503021886 754532829 1006043772 1509065658 3018131316