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52001061571 is a prime number
BaseRepresentation
bin110000011011100000…
…010011101011000011
311222020001011122001101
4300123200103223003
51322444232432241
635520003115231
73520430505334
oct603340235303
9158201148041
1052001061571
1120065275248
12a0b3072b17
134b994c9324
1427343c428b
1515453b6e31
hexc1b813ac3

52001061571 has 2 divisors, whose sum is σ = 52001061572. Its totient is φ = 52001061570.

The previous prime is 52001061551. The next prime is 52001061587. The reversal of 52001061571 is 17516010025.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52001061571 - 27 = 52001061443 is a prime.

It is a super-2 number, since 2×520010615712 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52001061521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26000530785 + 26000530786.

It is an arithmetic number, because the mean of its divisors is an integer number (26000530786).

Almost surely, 252001061571 is an apocalyptic number.

52001061571 is a deficient number, since it is larger than the sum of its proper divisors (1).

52001061571 is an equidigital number, since it uses as much as digits as its factorization.

52001061571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 28.

Adding to 52001061571 its reverse (17516010025), we get a palindrome (69517071596).

It can be divided in two parts, 520010 and 61571, that added together give a triangular number (581581 = T1078).

The spelling of 52001061571 in words is "fifty-two billion, one million, sixty-one thousand, five hundred seventy-one".