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143000140424 = 2321184715723
BaseRepresentation
bin1000010100101101111…
…0001111101010001000
3111200002220222210201012
42011023132033222020
54320331013443144
6145405433143052
713221451065251
oct2051336175210
9450086883635
10143000140424
1155711940039
122386a55aa88
131063c2c540b
146cc7c6db28
153abe2e1e9e
hex214b78fa88

143000140424 has 16 divisors (see below), whose sum is σ = 269396002320. Its totient is φ = 71161206480.

The previous prime is 143000140379. The next prime is 143000140427. The reversal of 143000140424 is 424041000341.

It is a happy number.

It is a super-2 number, since 2×1430001404242 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143000140424.

It is not an unprimeable number, because it can be changed into a prime (143000140427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42356174 + ... + 42359549.

It is an arithmetic number, because the mean of its divisors is an integer number (16837250145).

Almost surely, 2143000140424 is an apocalyptic number.

It is an amenable number.

143000140424 is a deficient number, since it is larger than the sum of its proper divisors (126395861896).

143000140424 is a wasteful number, since it uses less digits than its factorization.

143000140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84715940 (or 84715936 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 143000140424 its reverse (424041000341), we get a palindrome (567041140765).

The spelling of 143000140424 in words is "one hundred forty-three billion, one hundred forty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 211 422 844 1688 84715723 169431446 338862892 677725784 17875017553 35750035106 71500070212 143000140424