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54898677689845 = 5111317619525009
BaseRepresentation
bin11000111101110000110000…
…01011101010110111110101
321012101021002020110201210011
430132320120023222313311
524143424442442033340
6312432034313100221
714364204260644153
oct1436703013526765
9235337066421704
1054898677689845
1116546442394340
1261a78940b7671
132482c0005aa62
14d7b1784823d3
15653091eeb0ea
hex31ee182eadf5

54898677689845 has 16 divisors (see below), whose sum is σ = 72415965695040. Its totient is φ = 39621530041600.

The previous prime is 54898677689813. The next prime is 54898677689861.

54898677689845 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54898677689845 - 25 = 54898677689813 is a prime.

It is a super-2 number, since 2×548986776898452 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3809755300 + ... + 3809769709.

It is an arithmetic number, because the mean of its divisors is an integer number (4525997855940).

Almost surely, 254898677689845 is an apocalyptic number.

54898677689845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54898677689845 is a deficient number, since it is larger than the sum of its proper divisors (17517288005195).

54898677689845 is a wasteful number, since it uses less digits than its factorization.

54898677689845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619525156.

The product of its digits is 234101145600, while the sum is 94.

The spelling of 54898677689845 in words is "fifty-four trillion, eight hundred ninety-eight billion, six hundred seventy-seven million, six hundred eighty-nine thousand, eight hundred forty-five".

Divisors: 1 5 11 55 131 655 1441 7205 7619525009 38097625045 83814775099 419073875495 998157776179 4990788880895 10979735537969 54898677689845