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190962818942889 = 3741272203408667
BaseRepresentation
bin101011011010110111111110…
…111111010000011110101001
3221001010212102012002211101210
4223122313332333100132221
5200012213323122133024
61514051035151503333
755136415446630640
oct5332677677203651
9831125365084353
10190962818942889
11559349709a2754
1219501a59827b49
13827294137a0a6
143522914cc6357
1517125ab608129
hexadadfefd07a9

190962818942889 has 16 divisors (see below), whose sum is σ = 291061471408128. Its totient is φ = 109095169870992.

The previous prime is 190962818942881. The next prime is 190962818942893. The reversal of 190962818942889 is 988249818269091.

It is not a de Polignac number, because 190962818942889 - 23 = 190962818942881 is a prime.

It is a super-2 number, since 2×1909628189428892 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190962818942881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101617667 + ... + 1101791000.

It is an arithmetic number, because the mean of its divisors is an integer number (18191341963008).

Almost surely, 2190962818942889 is an apocalyptic number.

It is an amenable number.

190962818942889 is a deficient number, since it is larger than the sum of its proper divisors (100098652465239).

190962818942889 is a wasteful number, since it uses less digits than its factorization.

190962818942889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203412804.

The product of its (nonzero) digits is 2579890176, while the sum is 84.

The spelling of 190962818942889 in words is "one hundred ninety trillion, nine hundred sixty-two billion, eight hundred eighteen million, nine hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 3 7 21 4127 12381 28889 86667 2203408667 6610226001 15423860669 46271582007 9093467568709 27280402706127 63654272980963 190962818942889