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143385091057 = 13173677732287
BaseRepresentation
bin1000010110001001101…
…0101101101111110001
3111201002202100022201001
42011202122231233301
54322123040403212
6145511544042001
713234134110305
oct2054232555761
9451082308631
10143385091057
115589a16715a
1223957463301
13106a0c97a60
146d23037d05
153ae2ed1657
hex21626adbf1

143385091057 has 32 divisors (see below), whose sum is σ = 164227295232. Its totient is φ = 124015463424.

The previous prime is 143385091051. The next prime is 143385091097. The reversal of 143385091057 is 750190583341.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 143385091057 - 227 = 143250873329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143385090998 and 143385091016.

It is not an unprimeable number, because it can be changed into a prime (143385091051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62694568 + ... + 62696854.

It is an arithmetic number, because the mean of its divisors is an integer number (5132102976).

Almost surely, 2143385091057 is an apocalyptic number.

143385091057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

143385091057 is a deficient number, since it is larger than the sum of its proper divisors (20842204175).

143385091057 is a wasteful number, since it uses less digits than its factorization.

143385091057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3457.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 143385091057 in words is "one hundred forty-three billion, three hundred eighty-five million, ninety-one thousand, fifty-seven".

Divisors: 1 13 17 221 367 773 2287 4771 6239 10049 13141 29731 38879 81107 170833 283691 505427 839329 1767851 3687983 4822747 10911277 14268593 22982063 30053467 62695711 185491709 390695071 648801317 8434417121 11029622389 143385091057