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143020555042 = 2178814774673
BaseRepresentation
bin1000010100110010110…
…0000111101100100010
3111200011100101222022011
42011030230013230202
54320401230230132
6145411442503134
713222116442141
oct2051454075442
9450140358264
10143020555042
1155722413922
1223875364aaa
13106435c2481
146cca865758
153ac0ec5b47
hex214cb07b22

143020555042 has 16 divisors (see below), whose sum is σ = 227408173272. Its totient is φ = 67227381760.

The previous prime is 143020555001. The next prime is 143020555063. The reversal of 143020555042 is 240555020341.

It can be written as a sum of positive squares in 4 ways, for example, as 141136213761 + 1884341281 = 375681^2 + 43409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143020554995 and 143020555013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2357383 + ... + 2417290.

Almost surely, 2143020555042 is an apocalyptic number.

143020555042 is a deficient number, since it is larger than the sum of its proper divisors (84387618230).

143020555042 is a wasteful number, since it uses less digits than its factorization.

143020555042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775573.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 143020555042 its reverse (240555020341), we get a palindrome (383575575383).

The spelling of 143020555042 in words is "one hundred forty-three billion, twenty million, five hundred fifty-five thousand, forty-two".

Divisors: 1 2 17 34 881 1762 14977 29954 4774673 9549346 81169441 162338882 4206486913 8412973826 71510277521 143020555042