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2012524180 = 225131768139
BaseRepresentation
bin111011111110100…
…1010111010010100
312012020220211011121
41313331022322110
513110201233210
6531411213324
7100605113302
oct16775127224
95166824147
102012524180
11943021227
12481ba7244
13260c40b14
141513d9272
15bba386da
hex77f4ae94

2012524180 has 24 divisors (see below), whose sum is σ = 4258568160. Its totient is φ = 798863520.

The previous prime is 2012524177. The next prime is 2012524187. The reversal of 2012524180 is 814252102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012524187) 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 in 7 ways as a sum of consecutive naturals, for example, 381450 + ... + 386689.

It is an arithmetic number, because the mean of its divisors is an integer number (177440340).

Almost surely, 22012524180 is an apocalyptic number.

2012524180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012524180 is an abundant number, since it is smaller than the sum of its proper divisors (2246043980).

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

2012524180 is a wasteful number, since it uses less digits than its factorization.

2012524180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768279 (or 768277 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 2012524180 is about 44861.1656112500. The cubic root of 2012524180 is about 1262.5454923319.

Adding to 2012524180 its reverse (814252102), we get a palindrome (2826776282).

The spelling of 2012524180 in words is "two billion, twelve million, five hundred twenty-four thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 768139 1536278 3072556 3840695 7681390 15362780 100626209 201252418 402504836 503131045 1006262090 2012524180