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52541297481 = 3136112868307
BaseRepresentation
bin110000111011101101…
…001001001101001001
312000121200201110101210
4300323231021031021
51330101033004411
640045342203333
73540010442211
oct607355111511
9160550643353
1052541297481
1120312213502
12a223b83549
134c543cb44a
142786051241
151577a2bca6
hexc3bb49349

52541297481 has 8 divisors (see below), whose sum is σ = 70106541984. Its totient is φ = 35001792320.

The previous prime is 52541297467. The next prime is 52541297489. The reversal of 52541297481 is 18479214525.

52541297481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52541297481 - 27 = 52541297353 is a prime.

It is a super-2 number, since 2×525412974812 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52541297481.

It is not an unprimeable number, because it can be changed into a prime (52541297489) 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, 6430071 + ... + 6438236.

It is an arithmetic number, because the mean of its divisors is an integer number (8763317748).

Almost surely, 252541297481 is an apocalyptic number.

It is an amenable number.

52541297481 is a deficient number, since it is larger than the sum of its proper divisors (17565244503).

52541297481 is a wasteful number, since it uses less digits than its factorization.

52541297481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12869671.

The product of its digits is 806400, while the sum is 48.

The spelling of 52541297481 in words is "fifty-two billion, five hundred forty-one million, two hundred ninety-seven thousand, four hundred eighty-one".

Divisors: 1 3 1361 4083 12868307 38604921 17513765827 52541297481