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52253430745 = 537282450977
BaseRepresentation
bin110000101010100011…
…000001001111011001
311222212122001022110211
4300222203001033121
51324003334240440
640001020211121
73526613555455
oct605243011731
9158778038424
1052253430745
1120184776a0a
12a163699aa1
134c0988b1b9
142759b19665
15155c617eea
hexc2a8c13d9

52253430745 has 8 divisors (see below), whose sum is σ = 64398822984. Its totient is φ = 40672940544.

The previous prime is 52253430737. The next prime is 52253430767. The reversal of 52253430745 is 54703435225.

It can be written as a sum of positive squares in 4 ways, for example, as 19306824601 + 32946606144 = 138949^2 + 181512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52253430745 - 23 = 52253430737 is a prime.

It is a super-2 number, since 2×522534307452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52253430698 and 52253430707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141225304 + ... + 141225673.

It is an arithmetic number, because the mean of its divisors is an integer number (8049852873).

Almost surely, 252253430745 is an apocalyptic number.

It is an amenable number.

52253430745 is a deficient number, since it is larger than the sum of its proper divisors (12145392239).

52253430745 is a wasteful number, since it uses less digits than its factorization.

52253430745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282451019.

The product of its (nonzero) digits is 504000, while the sum is 40.

The spelling of 52253430745 in words is "fifty-two billion, two hundred fifty-three million, four hundred thirty thousand, seven hundred forty-five".

Divisors: 1 5 37 185 282450977 1412254885 10450686149 52253430745