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53345523151 = 283318830047
BaseRepresentation
bin110001101011101001…
…000001010111001111
312002200202000100121201
4301223221001113033
51333222423220101
640301231410331
73565644315364
oct615351012717
9162622010551
1053345523151
1120695180118
12a4093839a7
135051c0081b
142820b9a46b
1515c343ae01
hexc6ba415cf

53345523151 has 4 divisors (see below), whose sum is σ = 53364356032. Its totient is φ = 53326690272.

The previous prime is 53345523149. The next prime is 53345523181. The reversal of 53345523151 is 15132554335.

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

It is a cyclic number.

It is not a de Polignac number, because 53345523151 - 21 = 53345523149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53345523151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53345523181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9412191 + ... + 9417856.

It is an arithmetic number, because the mean of its divisors is an integer number (13341089008).

Almost surely, 253345523151 is an apocalyptic number.

53345523151 is a deficient number, since it is larger than the sum of its proper divisors (18832881).

53345523151 is a wasteful number, since it uses less digits than its factorization.

53345523151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18832880.

The product of its digits is 135000, while the sum is 37.

The spelling of 53345523151 in words is "fifty-three billion, three hundred forty-five million, five hundred twenty-three thousand, one hundred fifty-one".

Divisors: 1 2833 18830047 53345523151