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2001130560 = 26325111343113
BaseRepresentation
bin111011101000110…
…1101010001000000
312011110110222001200
41313101231101000
513044242134220
6530323101200
7100406220612
oct16721552100
95143428050
102001130560
1193764a010
1247a211800
1325b781b30
1414dab0db2
15baa37890
hex7746d440

2001130560 has 672 divisors, whose sum is σ = 8347667328. Its totient is φ = 433520640.

The previous prime is 2001130511. The next prime is 2001130567. The reversal of 2001130560 is 650311002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2001130567) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17709064 + ... + 17709176.

It is an arithmetic number, because the mean of its divisors is an integer number (12422124).

Almost surely, 22001130560 is an apocalyptic number.

2001130560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001130560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4173833664).

2001130560 is an abundant number, since it is smaller than the sum of its proper divisors (6346536768).

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

2001130560 is a wasteful number, since it uses less digits than its factorization.

2001130560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2001130560 is about 44733.9978092725. The cubic root of 2001130560 is about 1260.1584078996.

Adding to 2001130560 its reverse (650311002), we get a palindrome (2651441562).

The spelling of 2001130560 in words is "two billion, one million, one hundred thirty thousand, five hundred sixty".