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2012072757 = 31739452407
BaseRepresentation
bin111011111101101…
…1100101100110101
312012020001212221020
41313323130230311
513110042312012
6531353411353
7100601223222
oct16773345465
95166055836
102012072757
11942843052
12481a09b59
13260b134c6
1415131c949
15bb999a8c
hex77edcb35

2012072757 has 8 divisors (see below), whose sum is σ = 2840573376. Its totient is φ = 1262476992.

The previous prime is 2012072753. The next prime is 2012072767. The reversal of 2012072757 is 7572702102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012072757 - 22 = 2012072753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012072753) 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, 19726153 + ... + 19726254.

It is an arithmetic number, because the mean of its divisors is an integer number (355071672).

Almost surely, 22012072757 is an apocalyptic number.

It is an amenable number.

2012072757 is a deficient number, since it is larger than the sum of its proper divisors (828500619).

2012072757 is a wasteful number, since it uses less digits than its factorization.

2012072757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39452427.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 2012072757 is about 44856.1339952520. The cubic root of 2012072757 is about 1262.4510860636.

Adding to 2012072757 its reverse (7572702102), we get a palindrome (9584774859).

The spelling of 2012072757 in words is "two billion, twelve million, seventy-two thousand, seven hundred fifty-seven".

Divisors: 1 3 17 51 39452407 118357221 670690919 2012072757