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2012773720 = 23550319343
BaseRepresentation
bin111011111111000…
…0111110101011000
312012021101111110211
41313332013311120
513110232224340
6531420420504
7100610202646
oct16776076530
95167344424
102012773720
11943181761
124820a7734
13260cca589
14151462196
15bba875ea
hex77f87d58

2012773720 has 16 divisors (see below), whose sum is σ = 4528740960. Its totient is φ = 805109472.

The previous prime is 2012773661. The next prime is 2012773813. The reversal of 2012773720 is 273772102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25159632 + ... + 25159711.

It is an arithmetic number, because the mean of its divisors is an integer number (283046310).

Almost surely, 22012773720 is an apocalyptic number.

2012773720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012773720 is an abundant number, since it is smaller than the sum of its proper divisors (2515967240).

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

2012773720 is a wasteful number, since it uses less digits than its factorization.

2012773720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50319354 (or 50319350 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 2012773720 is about 44863.9467724363. The cubic root of 2012773720 is about 1262.5976726708.

The spelling of 2012773720 in words is "two billion, twelve million, seven hundred seventy-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 50319343 100638686 201277372 251596715 402554744 503193430 1006386860 2012773720