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2001288876 = 2231371217329
BaseRepresentation
bin111011101001001…
…0011111010101100
312011110210000020020
41313102103322230
513044312221001
6530330322140
7100410450306
oct16722237254
95143700206
102001288876
11937747a54
1247a289350
1325b808c02
1414db12976
15baa69736
hex77493eac

2001288876 has 24 divisors (see below), whose sum is σ = 4703763120. Its totient is φ = 662226432.

The previous prime is 2001288871. The next prime is 2001288889. The reversal of 2001288876 is 6788821002.

It is not an unprimeable number, because it can be changed into a prime (2001288871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607021 + ... + 610308.

It is an arithmetic number, because the mean of its divisors is an integer number (195990130).

Almost surely, 22001288876 is an apocalyptic number.

It is an amenable number.

2001288876 is an abundant number, since it is smaller than the sum of its proper divisors (2702474244).

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

2001288876 is a wasteful number, since it uses less digits than its factorization.

2001288876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217473 (or 1217471 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 2001288876 is about 44735.7673008969. The cubic root of 2001288876 is about 1260.1916387778.

The spelling of 2001288876 in words is "two billion, one million, two hundred eighty-eight thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 1217329 2434658 3651987 4869316 7303974 14607948 166774073 333548146 500322219 667096292 1000644438 2001288876