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1443434000420 = 225119536037957
BaseRepresentation
bin10101000000010011010…
…111101111000000100100
312002222202101201121222002
4111000103113233000210
5142122123101003140
63023034320024432
7206166432364616
oct25002327570044
95088671647862
101443434000420
1150717a954705
121b38b7162118
13a6166258039
144dc10cb4db6
1527831368415
hex150135ef024

1443434000420 has 24 divisors (see below), whose sum is σ = 3031465497144. Its totient is φ = 577325200896.

The previous prime is 1443434000369. The next prime is 1443434000461. The reversal of 1443434000420 is 240004343441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41563792384 + 1401870208036 = 203872^2 + 1184006^2 .

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 7 ways as a sum of consecutive naturals, for example, 2779919 + ... + 3258038.

It is an arithmetic number, because the mean of its divisors is an integer number (126311062381).

Almost surely, 21443434000420 is an apocalyptic number.

1443434000420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1443434000420 is an abundant number, since it is smaller than the sum of its proper divisors (1588031496724).

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

1443434000420 is a wasteful number, since it uses less digits than its factorization.

1443434000420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6049919 (or 6049917 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1443434000420 its reverse (240004343441), we get a palindrome (1683438343861).

The spelling of 1443434000420 in words is "one trillion, four hundred forty-three billion, four hundred thirty-four million, four hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 11953 23906 47812 59765 119530 239060 6037957 12075914 24151828 30189785 60379570 120759140 72171700021 144343400042 288686800084 360858500105 721717000210 1443434000420