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52111385831953 = 77444483690279
BaseRepresentation
bin10111101100101001000001…
…01001000010101000010001
320211111210121002002122112101
423312110200221002220101
523312243104233110303
6302455350135200401
713655631502033060
oct1366244051025021
9224453532078471
1052111385831953
1115671350841048
125a17651816101
13231010c611c46
14cc22c13421d7
1560580b72bd1d
hex2f6520a42a11

52111385831953 has 4 divisors (see below), whose sum is σ = 59555869522240. Its totient is φ = 44666902141668.

The previous prime is 52111385831917. The next prime is 52111385831969. The reversal of 52111385831953 is 35913858311125.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52111385831953 - 221 = 52111383734801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52111385831894 and 52111385831903.

It is not an unprimeable number, because it can be changed into a prime (52111385831653) 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, 3722241845133 + ... + 3722241845146.

It is an arithmetic number, because the mean of its divisors is an integer number (14888967380560).

Almost surely, 252111385831953 is an apocalyptic number.

It is an amenable number.

52111385831953 is a deficient number, since it is larger than the sum of its proper divisors (7444483690287).

52111385831953 is an equidigital number, since it uses as much as digits as its factorization.

52111385831953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7444483690286.

The product of its digits is 3888000, while the sum is 55.

The spelling of 52111385831953 in words is "fifty-two trillion, one hundred eleven billion, three hundred eighty-five million, eight hundred thirty-one thousand, nine hundred fifty-three".

Divisors: 1 7 7444483690279 52111385831953