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3113204020 = 225155660201
BaseRepresentation
bin1011100110001111…
…1011100100110100
322000222001011001121
42321203323210310
522333440012040
61232530433324
7140101540363
oct27143734464
98028034047
103113204020
111358360293
1272a732844
133a7c9c074
142176737da
151334a5c4a
hexb98fb934

3113204020 has 12 divisors (see below), whose sum is σ = 6537728484. Its totient is φ = 1245281600.

The previous prime is 3113204011. The next prime is 3113204021. The reversal of 3113204020 is 204023113.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1115292816 + 1997911204 = 33396^2 + 44698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3113203985 and 3113204003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113204021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77830081 + ... + 77830120.

It is an arithmetic number, because the mean of its divisors is an integer number (544810707).

Almost surely, 23113204020 is an apocalyptic number.

It is an amenable number.

3113204020 is an abundant number, since it is smaller than the sum of its proper divisors (3424524464).

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

3113204020 is a wasteful number, since it uses less digits than its factorization.

3113204020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155660210 (or 155660208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3113204020 is about 55796.0932324119. The cubic root of 3113204020 is about 1460.1669947222.

Adding to 3113204020 its reverse (204023113), we get a palindrome (3317227133).

The spelling of 3113204020 in words is "three billion, one hundred thirteen million, two hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 155660201 311320402 622640804 778301005 1556602010 3113204020