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143082071638 = 21131265978901
BaseRepresentation
bin1000010101000001011…
…0110010011001010110
3111200022122011100012121
42011100112302121112
54321013002243023
6145421521210154
713223464353622
oct2052026623126
9450278140177
10143082071638
1155754110190
1223891a9095a
131065328081c
146cd4aba182
153ac65c7d5d
hex21505b2656

143082071638 has 32 divisors (see below), whose sum is σ = 241780976640. Its totient is φ = 62914860000.

The previous prime is 143082071621. The next prime is 143082071641. The reversal of 143082071638 is 836170280341.

It is a junction number, because it is equal to n+sod(n) for n = 143082071594 and 143082071603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773988 + ... + 1852888.

It is an arithmetic number, because the mean of its divisors is an integer number (7555655520).

Almost surely, 2143082071638 is an apocalyptic number.

143082071638 is a deficient number, since it is larger than the sum of its proper divisors (98698905002).

143082071638 is a wasteful number, since it uses less digits than its factorization.

143082071638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81604.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 143082071638 in words is "one hundred forty-three billion, eighty-two million, seventy-one thousand, six hundred thirty-eight".

Divisors: 1 2 11 22 31 62 341 682 2659 5318 29249 58498 78901 82429 157802 164858 867911 906719 1735822 1813438 2445931 4891862 26905241 53810482 209797759 419595518 2307775349 4615550698 6503730529 13007461058 71541035819 143082071638