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2128368101069 = 74324146762827
BaseRepresentation
bin11110111110001100100…
…111111110011011001101
321112110200122002001002202
4132332030213332123031
5234332344213213234
64305431522531245
7306524642234420
oct36761447763315
97473618061082
102128368101069
117506aa341111
122a45aa206b25
13125920314a22
147502931d9b7
153a56c94077e
hex1ef8c9fe6cd

2128368101069 has 32 divisors (see below), whose sum is σ = 2504708084736. Its totient is φ = 1770667879680.

The previous prime is 2128368101009. The next prime is 2128368101099. The reversal of 2128368101069 is 9601018638212.

It is a happy number.

It is not a de Polignac number, because 2128368101069 - 212 = 2128368096973 is a prime.

It is a super-2 number, since 2×21283681010692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128368101009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33845234 + ... + 33908060.

It is an arithmetic number, because the mean of its divisors is an integer number (78272127648).

Almost surely, 22128368101069 is an apocalyptic number.

It is an amenable number.

2128368101069 is a deficient number, since it is larger than the sum of its proper divisors (376339983667).

2128368101069 is a wasteful number, since it uses less digits than its factorization.

2128368101069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63585.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 2128368101069 in words is "two trillion, one hundred twenty-eight billion, three hundred sixty-eight million, one hundred one thousand, sixty-nine".

Divisors: 1 7 43 241 301 467 1687 3269 10363 20081 62827 72541 112547 140567 439789 787829 2701561 4839521 15141307 18910927 29340209 33876647 105989149 205381463 651076201 1261628987 4557533407 7070990369 8831402909 49496932583 304052585867 2128368101069