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52445665401 = 3195931551601
BaseRepresentation
bin110000110110000000…
…010101100001111001
312000101000202211211220
4300312000111201321
51324402042243101
640032044342253
73534436541403
oct606600254171
9160330684756
1052445665401
1120273235728
12a1b7b44989
134c3a656b0c
142777479b73
15156e43b636
hexc36015879

52445665401 has 16 divisors (see below), whose sum is σ = 73732127040. Its totient is φ = 33067699200.

The previous prime is 52445665381. The next prime is 52445665451. The reversal of 52445665401 is 10456654425.

It is not a de Polignac number, because 52445665401 - 214 = 52445649017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52445665451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 742000 + ... + 809601.

It is an arithmetic number, because the mean of its divisors is an integer number (4608257940).

Almost surely, 252445665401 is an apocalyptic number.

It is an amenable number.

52445665401 is a deficient number, since it is larger than the sum of its proper divisors (21286461639).

52445665401 is a wasteful number, since it uses less digits than its factorization.

52445665401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552216.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 52445665401 in words is "fifty-two billion, four hundred forty-five million, six hundred sixty-five thousand, four hundred one".

Divisors: 1 3 19 57 593 1779 11267 33801 1551601 4654803 29480419 88441257 920099393 2760298179 17481888467 52445665401