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80614588209 = 326871529403
BaseRepresentation
bin100101100010100000…
…0001111111100110001
321201002011120101112020
41023011000033330301
52310044313310314
6101011150222053
75552463456651
oct1130500177461
9251064511466
1080614588209
1131208919321
12137597b4929
1377a956a78c
143c8a63c361
15216c41dda9
hex12c500ff31

80614588209 has 4 divisors (see below), whose sum is σ = 107486117616. Its totient is φ = 53743058804.

The previous prime is 80614588207. The next prime is 80614588289. The reversal of 80614588209 is 90288541608.

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 80614588209 - 21 = 80614588207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80614588207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13435764699 + ... + 13435764704.

It is an arithmetic number, because the mean of its divisors is an integer number (26871529404).

Almost surely, 280614588209 is an apocalyptic number.

It is an amenable number.

80614588209 is a deficient number, since it is larger than the sum of its proper divisors (26871529407).

80614588209 is a wasteful number, since it uses less digits than its factorization.

80614588209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26871529406.

The product of its (nonzero) digits is 1105920, while the sum is 51.

The spelling of 80614588209 in words is "eighty billion, six hundred fourteen million, five hundred eighty-eight thousand, two hundred nine".

Divisors: 1 3 26871529403 80614588209