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52540214531 = 719395039207
BaseRepresentation
bin110000111011101001…
…000000110100000011
312000121121200102212112
4300323221000310003
51330100243331111
640045303045535
73536665312010
oct607351006403
9160547612775
1052540214531
1120311643902
12a2237408ab
134c5410c54c
142785c4c707
1515778b5e8b
hexc3ba40d03

52540214531 has 8 divisors (see below), whose sum is σ = 63206273280. Its totient is φ = 42664234248.

The previous prime is 52540214509. The next prime is 52540214567. The reversal of 52540214531 is 13541204525.

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

It is a cyclic number.

It is not a de Polignac number, because 52540214531 - 234 = 35360345347 is a prime.

It is a super-2 number, since 2×525402145312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52540214581) 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, 197519471 + ... + 197519736.

It is an arithmetic number, because the mean of its divisors is an integer number (7900784160).

Almost surely, 252540214531 is an apocalyptic number.

52540214531 is a deficient number, since it is larger than the sum of its proper divisors (10666058749).

52540214531 is a wasteful number, since it uses less digits than its factorization.

52540214531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395039233.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 52540214531 in words is "fifty-two billion, five hundred forty million, two hundred fourteen thousand, five hundred thirty-one".

Divisors: 1 7 19 133 395039207 2765274449 7505744933 52540214531