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2662113647989 = 19140111244631
BaseRepresentation
bin100110101111010010010…
…101101001110101110101
3100102111101021111011011101
4212233102111221311311
5322104002043213424
65354542542210101
7363221441436565
oct46572225516565
910374337434141
102662113647989
11936aa5831464
1236bb28583931
13164061807a33
1492bc01c6da5
15493aae0e344
hex26bd2569d75

2662113647989 has 4 divisors (see below), whose sum is σ = 2802224892640. Its totient is φ = 2522002403340.

The previous prime is 2662113647983. The next prime is 2662113648001. The reversal of 2662113647989 is 9897463112662.

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 2662113647989 - 25 = 2662113647957 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 2662113647989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662113647983) 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, 70055622297 + ... + 70055622334.

It is an arithmetic number, because the mean of its divisors is an integer number (700556223160).

Almost surely, 22662113647989 is an apocalyptic number.

It is an amenable number.

2662113647989 is a deficient number, since it is larger than the sum of its proper divisors (140111244651).

2662113647989 is a wasteful number, since it uses less digits than its factorization.

2662113647989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140111244650.

The product of its digits is 47029248, while the sum is 64.

The spelling of 2662113647989 in words is "two trillion, six hundred sixty-two billion, one hundred thirteen million, six hundred forty-seven thousand, nine hundred eighty-nine".

Divisors: 1 19 140111244631 2662113647989