Search a number
-
+
52639728706641 = 371331746631047
BaseRepresentation
bin10111111100000001001000…
…10101001010010001010001
320220101022100012102120120110
423332000210111022101101
523344422131022103031
6303542205120431533
714042044356256236
oct1376004425122121
9226338305376513
1052639728706641
11158554245a381a
125aa1b227785a9
13234ab9c70a68b
14cddac288978d
15614430753c46
hex2fe02454a451

52639728706641 has 16 divisors (see below), whose sum is σ = 71389874285568. Its totient is φ = 34494354325200.

The previous prime is 52639728706603. The next prime is 52639728706759. The reversal of 52639728706641 is 14660782793625.

It is not a de Polignac number, because 52639728706641 - 211 = 52639728704593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52639723706641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373245021 + ... + 373386026.

It is an arithmetic number, because the mean of its divisors is an integer number (4461867142848).

It is a 1-persistent number, because it is pandigital, but 2⋅52639728706641 = 105279457413282 is not.

Almost surely, 252639728706641 is an apocalyptic number.

It is an amenable number.

52639728706641 is a deficient number, since it is larger than the sum of its proper divisors (18750145578927).

52639728706641 is a wasteful number, since it uses less digits than its factorization.

52639728706641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746631452.

The product of its (nonzero) digits is 182891520, while the sum is 66.

The spelling of 52639728706641 in words is "fifty-two trillion, six hundred thirty-nine billion, seven hundred twenty-eight million, seven hundred six thousand, six hundred forty-one".

Divisors: 1 3 71 213 331 993 23501 70503 746631047 2239893141 53010804337 159032413011 247134876557 741404629671 17546576235547 52639728706641