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2001329960 = 23577147607
BaseRepresentation
bin111011101001001…
…1101111100101000
312011110212002120212
41313102131330220
513044320024320
6530331240252
7100411011140
oct16722357450
95143762525
102001329960
11937775903
1247a2a9088
1325b821816
1414db23920
15baa769c5
hex7749df28

2001329960 has 32 divisors (see below), whose sum is σ = 5146277760. Its totient is φ = 686170176.

The previous prime is 2001329959. The next prime is 2001329987. The reversal of 2001329960 is 699231002.

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, 3573524 + ... + 3574083.

It is an arithmetic number, because the mean of its divisors is an integer number (160821180).

Almost surely, 22001329960 is an apocalyptic number.

2001329960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001329960 is an abundant number, since it is smaller than the sum of its proper divisors (3144947800).

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

2001329960 is a wasteful number, since it uses less digits than its factorization.

2001329960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7147625 (or 7147621 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2001329960 is about 44736.2264836899. The cubic root of 2001329960 is about 1260.2002621138.

The spelling of 2001329960 in words is "two billion, one million, three hundred twenty-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 7147607 14295214 28590428 35738035 50033249 57180856 71476070 100066498 142952140 200132996 250166245 285904280 400265992 500332490 1000664980 2001329960