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2012308272 = 24361323577
BaseRepresentation
bin111011111110001…
…0110001100110000
312012020111212000000
41313330112030300
513110122331042
6531402430000
7100603223652
oct16774261460
95166455000
102012308272
11942993a97
12481b02300
13260b96770
141513806d2
15bb9e474c
hex77f16330

2012308272 has 280 divisors, whose sum is σ = 6580349664. Its totient is φ = 591224832.

The previous prime is 2012308261. The next prime is 2012308273. The reversal of 2012308272 is 2728032102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2012308273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3487248 + ... + 3487824.

Almost surely, 22012308272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012308272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3290174832).

2012308272 is an abundant number, since it is smaller than the sum of its proper divisors (4568041392).

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

2012308272 is a wasteful number, since it uses less digits than its factorization.

2012308272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2012308272 is about 44858.7591446754. The cubic root of 2012308272 is about 1262.5003411691.

The spelling of 2012308272 in words is "two billion, twelve million, three hundred eight thousand, two hundred seventy-two".