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157145743146 = 2377152698103
BaseRepresentation
bin1001001001011010011…
…1011011111100101010
3120000121202102212200010
42102112213123330222
510033313302240041
6200105230352350
714232134530440
oct2222647337452
9500552385603
10157145743146
11607107477a7
122655795b6b6
1311a84b23842
14786a808b90
15414b0d6a16
hex24969dbf2a

157145743146 has 32 divisors (see below), whose sum is σ = 364249294848. Its totient is φ = 44266405680.

The previous prime is 157145743129. The next prime is 157145743159. The reversal of 157145743146 is 641347541751.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157145743095 and 157145743104.

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, 26346070 + ... + 26352033.

It is an arithmetic number, because the mean of its divisors is an integer number (11382790464).

Almost surely, 2157145743146 is an apocalyptic number.

157145743146 is an abundant number, since it is smaller than the sum of its proper divisors (207103551702).

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

157145743146 is a wasteful number, since it uses less digits than its factorization.

157145743146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52698186.

The product of its digits is 1411200, while the sum is 48.

The spelling of 157145743146 in words is "one hundred fifty-seven billion, one hundred forty-five million, seven hundred forty-three thousand, one hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 52698103 105396206 158094309 316188618 368886721 737773442 1106660163 2213320326 3741565313 7483130626 11224695939 22449391878 26190957191 52381914382 78572871573 157145743146