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20071744890800 = 245250179362227
BaseRepresentation
bin1001001000001010100010…
…01110010110011110110000
32122001211200102010120201112
410210011101032112132300
510112323413143001200
6110404455440052452
74141064356361501
oct444052116263660
978054612116645
1020071744890800
1164394197a3419
122302056904128
13b279b0094645
144d56988c2ba8
1524c1a3766535
hex1241513967b0

20071744890800 has 30 divisors (see below), whose sum is σ = 48222367101108. Its totient is φ = 8028697956160.

The previous prime is 20071744890763. The next prime is 20071744890817. The reversal of 20071744890800 is 809844717002.

It is a super-2 number, since 2×200717448908002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25089680714 + ... + 25089681513.

Almost surely, 220071744890800 is an apocalyptic number.

20071744890800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20071744890800 is an abundant number, since it is smaller than the sum of its proper divisors (28150622210308).

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

20071744890800 is a wasteful number, since it uses less digits than its factorization.

20071744890800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50179362245 (or 50179362234 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 20071744890800 in words is "twenty trillion, seventy-one billion, seven hundred forty-four million, eight hundred ninety thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 50179362227 100358724454 200717448908 250896811135 401434897816 501793622270 802869795632 1003587244540 1254484055675 2007174489080 2508968111350 4014348978160 5017936222700 10035872445400 20071744890800