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16128950671699 = 109821180233891
BaseRepresentation
bin1110101010110101000001…
…1000000001100101010011
32010002220122022012122112021
43222231100120001211103
54103224042332443244
654145312044312311
73253164301442605
oct352552030014523
963086568178467
1016128950671699
11515928219a728
121985a94b42697
138ccc51b71208
143da906cb9175
151ce83ea67284
hexeab50601953

16128950671699 has 8 divisors (see below), whose sum is σ = 16296748514640. Its totient is φ = 15961513298400.

The previous prime is 16128950671679. The next prime is 16128950671843. The reversal of 16128950671699 is 99617605982161.

It is a happy number.

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 16128950671699 - 25 = 16128950671667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16128950671679) 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, 90027457 + ... + 90206434.

It is an arithmetic number, because the mean of its divisors is an integer number (2037093564330).

Almost surely, 216128950671699 is an apocalyptic number.

16128950671699 is a deficient number, since it is larger than the sum of its proper divisors (167797842941).

16128950671699 is a wasteful number, since it uses less digits than its factorization.

16128950671699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180234821.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 16128950671699 in words is "sixteen trillion, one hundred twenty-eight billion, nine hundred fifty million, six hundred seventy-one thousand, six hundred ninety-nine".

Divisors: 1 109 821 89489 180233891 19645494119 147972024511 16128950671699