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2988360069 = 3996120023
BaseRepresentation
bin1011001000011110…
…1100000110000101
321201021010102100120
42302013230012011
522110010010234
61212310532153
7134024433012
oct26207540605
97637112316
102988360069
1112a3940172
126b4967059
1338816a3c6
14204c56709
15127545049
hexb21ec185

2988360069 has 4 divisors (see below), whose sum is σ = 3984480096. Its totient is φ = 1992240044.

The previous prime is 2988360029. The next prime is 2988360073. The reversal of 2988360069 is 9600638892.

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 2988360069 - 29 = 2988359557 is a prime.

It is a super-2 number, since 2×29883600692 = 17860591803987369522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2988360029) 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, 498060009 + ... + 498060014.

It is an arithmetic number, because the mean of its divisors is an integer number (996120024).

Almost surely, 22988360069 is an apocalyptic number.

It is an amenable number.

2988360069 is a deficient number, since it is larger than the sum of its proper divisors (996120027).

2988360069 is an equidigital number, since it uses as much as digits as its factorization.

2988360069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996120026.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 2988360069 is about 54665.8949345934. The cubic root of 2988360069 is about 1440.3818542685.

The spelling of 2988360069 in words is "two billion, nine hundred eighty-eight million, three hundred sixty thousand, sixty-nine".

Divisors: 1 3 996120023 2988360069