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80008002349 = 117273454759
BaseRepresentation
bin100101010000011011…
…0010011101100101101
321122111220011122011021
41022200312103230231
52302324022033344
6100431041054141
75531446541032
oct1124066235455
9248456148137
1080008002349
1130a274823a0
121360a627351
1377109a7332
143c2dc5d389
15213404eb84
hex12a0d93b2d

80008002349 has 4 divisors (see below), whose sum is σ = 87281457120. Its totient is φ = 72734547580.

The previous prime is 80008002313. The next prime is 80008002397. The reversal of 80008002349 is 94320080008.

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 80008002349 - 233 = 71418067757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80008002149) 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, 3636727369 + ... + 3636727390.

It is an arithmetic number, because the mean of its divisors is an integer number (21820364280).

Almost surely, 280008002349 is an apocalyptic number.

It is an amenable number.

80008002349 is a deficient number, since it is larger than the sum of its proper divisors (7273454771).

80008002349 is a wasteful number, since it uses less digits than its factorization.

80008002349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273454770.

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 80008002349 in words is "eighty billion, eight million, two thousand, three hundred forty-nine".

Divisors: 1 11 7273454759 80008002349