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801408008000 = 2653100176001
BaseRepresentation
bin10111010100101111010…
…00111011111101000000
32211121120111112221212002
423222113220323331000
5101112240422224000
61412054534523132
7111620431446425
oct13522750737500
92747514487762
10801408008000
11289969a22a76
1210b399b064a8
135a7598a00c2
142ab0735dd4c
1515ca6c198d5
hexba97a3bf40

801408008000 has 56 divisors (see below), whose sum is σ = 1984686951624. Its totient is φ = 320563200000.

The previous prime is 801408007999. The next prime is 801408008003. The reversal of 801408008000 is 800804108.

It can be written as a sum of positive squares in 4 ways, for example, as 225480256 + 801182527744 = 15016^2 + 895088^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801408008003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50080001 + ... + 50096000.

Almost surely, 2801408008000 is an apocalyptic number.

801408008000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

801408008000 is an abundant number, since it is smaller than the sum of its proper divisors (1183278943624).

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

801408008000 is a wasteful number, since it uses less digits than its factorization.

801408008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100176028 (or 100176008 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The spelling of 801408008000 in words is "eight hundred one billion, four hundred eight million, eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 100176001 200352002 400704004 500880005 801408008 1001760010 1602816016 2003520020 2504400025 3205632032 4007040040 5008800050 6411264064 8014080080 10017600100 12522000125 16028160160 20035200200 25044000250 32056320320 40070400400 50088000500 80140800800 100176001000 160281601600 200352002000 400704004000 801408008000