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3020642872 = 2313277710459
BaseRepresentation
bin1011010000001011…
…0101101000111000
321210111212120000221
42310002311220320
522141241032442
61215422505424
7134566016662
oct26402655070
97714776027
103020642872
11131008a775
12703735274
13391a61460
1420925b532
1512a2c0467
hexb40b5a38

3020642872 has 32 divisors (see below), whose sum is σ = 6102154800. Its totient is φ = 1393507584.

The previous prime is 3020642861. The next prime is 3020642893. The reversal of 3020642872 is 2782460203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283579 + ... + 294037.

Almost surely, 23020642872 is an apocalyptic number.

It is an amenable number.

3020642872 is an abundant number, since it is smaller than the sum of its proper divisors (3081511928).

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

3020642872 is a wasteful number, since it uses less digits than its factorization.

3020642872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13255 (or 13251 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 3020642872 is about 54960.3754717888. The cubic root of 3020642872 is about 1445.5500309860.

The spelling of 3020642872 in words is "three billion, twenty million, six hundred forty-two thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 2777 5554 10459 11108 20918 22216 36101 41836 72202 83672 135967 144404 271934 288808 543868 1087736 29044643 58089286 116178572 232357144 377580359 755160718 1510321436 3020642872