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51272536331001 = 331217784438547
BaseRepresentation
bin10111010100001110100010…
…10100001001001011111001
320201112121101012202210001010
423222013101110021023321
523210022123300043001
6301014140015144133
713541214150646626
oct1352072124111371
9221477335683033
1051272536331001
11153786190a5277
125900b64815049
13227bc96a652ab
14c9386553534d
155ddab29618d6
hex2ea1d15092f9

51272536331001 has 12 divisors (see below), whose sum is σ = 70639789912656. Its totient is φ = 33079055695560.

The previous prime is 51272536330973. The next prime is 51272536331039. The reversal of 51272536331001 is 10013363527215.

It is not a de Polignac number, because 51272536331001 - 29 = 51272536330489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51272535331001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8892216391 + ... + 8892222156.

It is an arithmetic number, because the mean of its divisors is an integer number (5886649159388).

Almost surely, 251272536331001 is an apocalyptic number.

It is an amenable number.

51272536331001 is a deficient number, since it is larger than the sum of its proper divisors (19367253581655).

51272536331001 is a wasteful number, since it uses less digits than its factorization.

51272536331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17784438612 (or 17784438581 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

Adding to 51272536331001 its reverse (10013363527215), we get a palindrome (61285899858216).

The spelling of 51272536331001 in words is "fifty-one trillion, two hundred seventy-two billion, five hundred thirty-six million, three hundred thirty-one thousand, one".

Divisors: 1 3 31 93 961 2883 17784438547 53353315641 551317594957 1653952784871 17090845443667 51272536331001