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1676393220971 = 7991241659683
BaseRepresentation
bin11000011001010000110…
…100101000101101101011
312221021001201121012021202
4120121100310220231223
5204431223131032341
63322042512354415
7232054405160630
oct30312064505553
95837051535252
101676393220971
11596a552a7057
12230a90845a0b
13c2110a46281
145b1d0430187
152d91810279b
hex18650d28b6b

1676393220971 has 8 divisors (see below), whose sum is σ = 1917811252224. Its totient is φ = 1435458511080.

The previous prime is 1676393220959. The next prime is 1676393220973. The reversal of 1676393220971 is 1790223936761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1676393220971 - 218 = 1676392958827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1676393220973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120822905 + ... + 120836778.

It is an arithmetic number, because the mean of its divisors is an integer number (239726406528).

Almost surely, 21676393220971 is an apocalyptic number.

1676393220971 is a deficient number, since it is larger than the sum of its proper divisors (241418031253).

1676393220971 is an equidigital number, since it uses as much as digits as its factorization.

1676393220971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241660681.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 1676393220971 in words is "one trillion, six hundred seventy-six billion, three hundred ninety-three million, two hundred twenty thousand, nine hundred seventy-one".

Divisors: 1 7 991 6937 241659683 1691617781 239484745853 1676393220971