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2013215488 = 287864123
BaseRepresentation
bin111011111111111…
…0011101100000000
312012022012221110121
41313333303230000
513110340343423
6531434110024
7100614022624
oct16777635400
95168187417
102013215488
11943453659
1248227b314
1326112368b
14151539184
15bbb2345d
hex77ff3b00

2013215488 has 18 divisors (see below), whose sum is σ = 4018567364. Its totient is φ = 1006607616.

The previous prime is 2013215483. The next prime is 2013215549. The reversal of 2013215488 is 8845123102.

It is a happy number.

It is a super-2 number, since 2×20132154882 = 8106073202246156288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013215483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931806 + ... + 3932317.

Almost surely, 22013215488 is an apocalyptic number.

It is an amenable number.

2013215488 is a deficient number, since it is larger than the sum of its proper divisors (2005351876).

2013215488 is an frugal number, since it uses more digits than its factorization.

2013215488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864139 (or 7864125 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2013215488 is about 44868.8699211380. The cubic root of 2013215488 is about 1262.6900384844.

The spelling of 2013215488 in words is "two billion, thirteen million, two hundred fifteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 128 256 7864123 15728246 31456492 62912984 125825968 251651936 503303872 1006607744 2013215488