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53028339571 = 389136319639
BaseRepresentation
bin110001011000101111…
…000011111101110011
312001212122011202112201
4301120233003331303
51332100223331241
640205541204031
73555043310044
oct613057037563
9161778152481
1053028339571
112054212a429
12a33b100617
13500129752c
1427d09d28cb
1515a5685931
hexc58bc3f73

53028339571 has 4 divisors (see below), whose sum is σ = 53164659600. Its totient is φ = 52892019544.

The previous prime is 53028339509. The next prime is 53028339599. The reversal of 53028339571 is 17593382035.

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 53028339571 - 215 = 53028306803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53028333571) 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, 68159431 + ... + 68160208.

It is an arithmetic number, because the mean of its divisors is an integer number (13291164900).

Almost surely, 253028339571 is an apocalyptic number.

53028339571 is a deficient number, since it is larger than the sum of its proper divisors (136320029).

53028339571 is a wasteful number, since it uses less digits than its factorization.

53028339571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136320028.

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 53028339571 in words is "fifty-three billion, twenty-eight million, three hundred thirty-nine thousand, five hundred seventy-one".

Divisors: 1 389 136319639 53028339571