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405555023022048 = 2533739766288997
BaseRepresentation
bin101110000110110011010001…
…1000101011000011111100000
31222011221200101212010002022000
41130031212203011120133200
5411124103141343201143
63554313223333044000
7151265245352351064
oct13415464305303740
91864850355102260
10405555023022048
11108249a12775499
123959b344786600
131453a8a005c1a3
147220d79ab9aa4
1531d463bccabd3
hex170d9a31587e0

405555023022048 has 192 divisors, whose sum is σ = 1211434090009920. Its totient is φ = 131958587621376.

The previous prime is 405555023022041. The next prime is 405555023022113. The reversal of 405555023022048 is 840220320555504.

405555023022048 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 550 + 2 + 30 + 2 + 20 + 48 = 666.

It is a super-2 number, since 2×4055550230220482 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 405555023021994 and 405555023022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405555023022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27026515 + ... + 39262482.

It is an arithmetic number, because the mean of its divisors is an integer number (6309552552135).

Almost surely, 2405555023022048 is an apocalyptic number.

405555023022048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

405555023022048 is an abundant number, since it is smaller than the sum of its proper divisors (805879066987872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405555023022048 is a wasteful number, since it uses less digits than its factorization.

405555023022048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66289186 (or 66289172 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

The spelling of 405555023022048 in words is "four hundred five trillion, five hundred fifty-five billion, twenty-three million, twenty-two thousand, forty-eight".