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52905334772 = 22171061733289
BaseRepresentation
bin110001010001011001…
…110101011111110100
312001120001201110200102
4301101121311133310
51331322231203042
640145424533232
73552020632343
oct612131653764
9161501643612
1052905334772
1120489756074
12a305a81218
134cb195aa24
1427bc533b5a
151599989b32
hexc516757f4

52905334772 has 24 divisors (see below), whose sum is σ = 98123001480. Its totient is φ = 24873128960.

The previous prime is 52905334771. The next prime is 52905334837. The reversal of 52905334772 is 27743350925.

It can be written as a sum of positive squares in 4 ways, for example, as 20185589776 + 32719744996 = 142076^2 + 180886^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52905334771) 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, 294497 + ... + 438792.

It is an arithmetic number, because the mean of its divisors is an integer number (4088458395).

Almost surely, 252905334772 is an apocalyptic number.

It is an amenable number.

52905334772 is a deficient number, since it is larger than the sum of its proper divisors (45217666708).

52905334772 is a wasteful number, since it uses less digits than its factorization.

52905334772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734371 (or 734369 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 47.

The spelling of 52905334772 in words is "fifty-two billion, nine hundred five million, three hundred thirty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 17 34 68 1061 2122 4244 18037 36074 72148 733289 1466578 2933156 12465913 24931826 49863652 778019629 1556039258 3112078516 13226333693 26452667386 52905334772