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52073864088545 = 513338312377159
BaseRepresentation
bin10111101011100011001000…
…01010111100101111100001
320211101012202010022120222002
423311301210022330233201
523311134233201313140
6302430223010053345
713653132616341125
oct1365614412745741
9224335663276862
1052073864088545
1115657446795952
125a1031b87a255
13230970cb18000
14cc0561d65585
156048625c8415
hex2f5c642bcbe1

52073864088545 has 32 divisors (see below), whose sum is σ = 67870404403200. Its totient is φ = 38354139175872.

The previous prime is 52073864088541. The next prime is 52073864088553. The reversal of 52073864088545 is 54588046837025.

It is a happy number.

It is not a de Polignac number, because 52073864088545 - 22 = 52073864088541 is a prime.

It is a super-2 number, since 2×520738640885452 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is not an unprimeable number, because it can be changed into a prime (52073864088541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1981325 + ... + 10395834.

It is an arithmetic number, because the mean of its divisors is an integer number (2120950137600).

Almost surely, 252073864088545 is an apocalyptic number.

It is an amenable number.

52073864088545 is a deficient number, since it is larger than the sum of its proper divisors (15796540314655).

52073864088545 is a wasteful number, since it uses less digits than its factorization.

52073864088545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12377586 (or 12377560 counting only the distinct ones).

The product of its (nonzero) digits is 258048000, while the sum is 65.

The spelling of 52073864088545 in words is "fifty-two trillion, seventy-three billion, eight hundred sixty-four million, eighty-eight thousand, five hundred forty-five".

Divisors: 1 5 13 65 169 383 845 1915 2197 4979 10985 24895 64727 323635 841451 4207255 12377159 61885795 160903067 804515335 2091739871 4740451897 10458699355 23702259485 27192618323 61625874661 135963091615 308129373305 801136370593 4005681852965 10414772817709 52073864088545