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143742430404 = 22323992845289
BaseRepresentation
bin1000010111011110110…
…1110110110011000100
3111202000122202001010200
42011313231312303010
54323341030233104
6150011231050500
713246033333056
oct2056755666304
9452018661120
10143742430404
1155a62944531
1223a37070a30
131072a020761
146d586958d6
153b14569b39
hex2177b76cc4

143742430404 has 18 divisors (see below), whose sum is σ = 363348921390. Its totient is φ = 47914143456.

The previous prime is 143742430393. The next prime is 143742430427. The reversal of 143742430404 is 404034247341.

143742430404 is a `hidden beast` number, since 1 + 4 + 3 + 7 + 4 + 243 + 0 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 132239867904 + 11502562500 = 363648^2 + 107250^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3992845289 = 143742430404 / (1 + 4 + 3 + 7 + 4 + 2 + 4 + 3 + 0 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1996422609 + ... + 1996422680.

Almost surely, 2143742430404 is an apocalyptic number.

It is an amenable number.

143742430404 is an abundant number, since it is smaller than the sum of its proper divisors (219606490986).

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

143742430404 is a wasteful number, since it uses less digits than its factorization.

143742430404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992845299 (or 3992845294 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 36.

Adding to 143742430404 its reverse (404034247341), we get a palindrome (547776677745).

The spelling of 143742430404 in words is "one hundred forty-three billion, seven hundred forty-two million, four hundred thirty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 3992845289 7985690578 11978535867 15971381156 23957071734 35935607601 47914143468 71871215202 143742430404