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3107306660 = 225155365333
BaseRepresentation
bin1011100100110101…
…1011110010100100
322000112221112101212
42321031123302210
522330432303120
61232200210552
7140000446043
oct27115336244
98015845355
103107306660
111354aa2537
12728769a58
133a69b59c3
1421697a55a
15132bdd6c5
hexb935bca4

3107306660 has 12 divisors (see below), whose sum is σ = 6525344028. Its totient is φ = 1242922656.

The previous prime is 3107306659. The next prime is 3107306663. The reversal of 3107306660 is 666037013.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1502182564 + 1605124096 = 38758^2 + 40064^2 .

It is not an unprimeable number, because it can be changed into a prime (3107306663) 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 3 ways as a sum of consecutive naturals, for example, 77682647 + ... + 77682686.

It is an arithmetic number, because the mean of its divisors is an integer number (543778669).

Almost surely, 23107306660 is an apocalyptic number.

It is an amenable number.

3107306660 is an abundant number, since it is smaller than the sum of its proper divisors (3418037368).

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

3107306660 is a wasteful number, since it uses less digits than its factorization.

3107306660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155365342 (or 155365340 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 3107306660 is about 55743.2207537383. The cubic root of 3107306660 is about 1459.2444110567.

The spelling of 3107306660 in words is "three billion, one hundred seven million, three hundred six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 155365333 310730666 621461332 776826665 1553653330 3107306660