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52407171481 = 717440396399
BaseRepresentation
bin110000110011101101…
…011111100110011001
312000021100100011010011
4300303231133212121
51324312213441411
640024151321521
73533461415260
oct606355374631
9160240304104
1052407171481
1120253533675
12a1a70802a1
134c32699952
1427722d95d7
15156ad85c21
hexc33b5f999

52407171481 has 8 divisors (see below), whose sum is σ = 63417081600. Its totient is φ = 42278054208.

The previous prime is 52407171451. The next prime is 52407171503. The reversal of 52407171481 is 18417170425.

It is a happy number.

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 52407171481 - 211 = 52407169433 is a prime.

It is a super-2 number, since 2×524071714812 (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 (52407171451) 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, 220198081 + ... + 220198318.

It is an arithmetic number, because the mean of its divisors is an integer number (7927135200).

Almost surely, 252407171481 is an apocalyptic number.

It is an amenable number.

52407171481 is a deficient number, since it is larger than the sum of its proper divisors (11009910119).

52407171481 is a wasteful number, since it uses less digits than its factorization.

52407171481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440396423.

The product of its (nonzero) digits is 62720, while the sum is 40.

The spelling of 52407171481 in words is "fifty-two billion, four hundred seven million, one hundred seventy-one thousand, four hundred eighty-one".

Divisors: 1 7 17 119 440396399 3082774793 7486738783 52407171481