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143768433900 = 2235271317309779
BaseRepresentation
bin1000010111100101000…
…1000011010011101100
3111202002110200011020010
42011321101003103230
54323414204341100
6150014000253220
713246500345030
oct2057121032354
9452073604203
10143768433900
1155a76595323
1223a43911210
1310732526640
146d5bd041c0
153b169a4750
hex21794434ec

143768433900 has 288 divisors, whose sum is σ = 542080304640. Its totient is φ = 28549140480.

The previous prime is 143768433859. The next prime is 143768433931. The reversal of 143768433900 is 9334867341.

It is a self number, because there is not a number n which added to its sum of digits gives 143768433900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309211 + ... + 618989.

It is an arithmetic number, because the mean of its divisors is an integer number (1882223280).

Almost surely, 2143768433900 is an apocalyptic number.

143768433900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143768433900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271040152320).

143768433900 is an abundant number, since it is smaller than the sum of its proper divisors (398311870740).

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

143768433900 is a wasteful number, since it uses less digits than its factorization.

143768433900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309833 (or 309826 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 143768433900 in words is "one hundred forty-three billion, seven hundred sixty-eight million, four hundred thirty-three thousand, nine hundred".