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80484924861 = 3311713816803
BaseRepresentation
bin100101011110101000…
…1100111110110111101
321200202010120210212000
41022331101213312331
52304313120043421
6100550235132513
75546330400465
oct1127521476675
9250663523760
1080484924861
1131151707330
12137222a4139
13778873c2c3
143c77328ba5
152160d5a226
hex12bd467dbd

80484924861 has 32 divisors (see below), whose sum is σ = 131908746240. Its totient is φ = 48091705200.

The previous prime is 80484924859. The next prime is 80484925013. The reversal of 80484924861 is 16842948408.

It is a happy number.

80484924861 is a `hidden beast` number, since 80 + 4 + 84 + 9 + 2 + 486 + 1 = 666.

It is not a de Polignac number, because 80484924861 - 21 = 80484924859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80484924798 and 80484924807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80484924461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1887315 + ... + 1929488.

It is an arithmetic number, because the mean of its divisors is an integer number (4122148320).

Almost surely, 280484924861 is an apocalyptic number.

It is an amenable number.

80484924861 is a deficient number, since it is larger than the sum of its proper divisors (51423821379).

80484924861 is a wasteful number, since it uses less digits than its factorization.

80484924861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816894 (or 3816888 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 54.

The spelling of 80484924861 in words is "eighty billion, four hundred eighty-four million, nine hundred twenty-four thousand, eight hundred sixty-one".

Divisors: 1 3 9 11 27 33 71 99 213 297 639 781 1917 2343 7029 21087 3816803 11450409 34351227 41984833 103053681 125954499 270993013 377863497 812979039 1133590491 2438937117 2980923143 7316811351 8942769429 26828308287 80484924861