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52513044243 = 31110315449557
BaseRepresentation
bin110000111010000001…
…010111011100010011
312000112201120001020120
4300322001113130103
51330021314403433
640042452441323
73536215340232
oct607201273423
9160481501216
1052513044243
11202a8276420
12a216619243
134c4b5b855a
1427823b8b19
1515752ea7b3
hexc3a057713

52513044243 has 16 divisors (see below), whose sum is σ = 77124193536. Its totient is φ = 31517094240.

The previous prime is 52513044191. The next prime is 52513044263. The reversal of 52513044243 is 34244031525.

It is not a de Polignac number, because 52513044243 - 26 = 52513044179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (52513044263) 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 15 ways as a sum of consecutive naturals, for example, 7721380 + ... + 7728177.

It is an arithmetic number, because the mean of its divisors is an integer number (4820262096).

Almost surely, 252513044243 is an apocalyptic number.

52513044243 is a deficient number, since it is larger than the sum of its proper divisors (24611149293).

52513044243 is a wasteful number, since it uses less digits than its factorization.

52513044243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15449674.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 52513044243 its reverse (34244031525), we get a palindrome (86757075768).

The spelling of 52513044243 in words is "fifty-two billion, five hundred thirteen million, forty-four thousand, two hundred forty-three".

Divisors: 1 3 11 33 103 309 1133 3399 15449557 46348671 169945127 509835381 1591304371 4773913113 17504348081 52513044243