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405353530000 = 245440535353
BaseRepresentation
bin1011110011000001111…
…01000000001010010000
31102202021210011212112201
411321200331000022100
523120131000430000
6510114500532544
741200016104126
oct5714075001220
91382253155481
10405353530000
11146a00555761
12666880b1154
132c2bc7baa83
14158951ad916
15a8268d496a
hex5e60f40290

405353530000 has 50 divisors (see below), whose sum is σ = 981401455694. Its totient is φ = 162141408000.

The previous prime is 405353529991. The next prime is 405353530003. The reversal of 405353530000 is 35353504.

It can be written as a sum of positive squares in 5 ways, for example, as 44854156944 + 360499373056 = 211788^2 + 600416^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×4053535300002 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405353530003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20257677 + ... + 20277676.

Almost surely, 2405353530000 is an apocalyptic number.

405353530000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405353530000 is an abundant number, since it is smaller than the sum of its proper divisors (576047925694).

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

405353530000 is an equidigital number, since it uses as much as digits as its factorization.

405353530000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40535381 (or 40535360 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 28.

Adding to 405353530000 its reverse (35353504), we get a palindrome (405388883504).

The spelling of 405353530000 in words is "four hundred five billion, three hundred fifty-three million, five hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 40535353 81070706 162141412 202676765 324282824 405353530 648565648 810707060 1013383825 1621414120 2026767650 3242828240 4053535300 5066919125 8107070600 10133838250 16214141200 20267676500 25334595625 40535353000 50669191250 81070706000 101338382500 202676765000 405353530000