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52755727427261 = 315171673881633
BaseRepresentation
bin10111111111011001001100…
…11001001010011010111101
320220210101202100111010122022
423333230212121022122331
523403322212210133021
6304111351355525525
714053322051156135
oct1377544631123275
9226711670433568
1052755727427261
111589a63a880481
125b004b64598a5
132358ac7945bc1
14d05568627ac5
1561746e2d01ab
hex2ffb2664a6bd

52755727427261 has 4 divisors (see below), whose sum is σ = 52757401340412. Its totient is φ = 52754053514112.

The previous prime is 52755727427251. The next prime is 52755727427267. The reversal of 52755727427261 is 16272472755725.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6898370925625 + 45857356501636 = 2626475^2 + 6771806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52755727427261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52755727427194 and 52755727427203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52755727427267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836909300 + ... + 836972333.

It is an arithmetic number, because the mean of its divisors is an integer number (13189350335103).

Almost surely, 252755727427261 is an apocalyptic number.

It is an amenable number.

52755727427261 is a deficient number, since it is larger than the sum of its proper divisors (1673913151).

52755727427261 is a wasteful number, since it uses less digits than its factorization.

52755727427261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673913150.

The product of its digits is 115248000, while the sum is 62.

The spelling of 52755727427261 in words is "fifty-two trillion, seven hundred fifty-five billion, seven hundred twenty-seven million, four hundred twenty-seven thousand, two hundred sixty-one".

Divisors: 1 31517 1673881633 52755727427261