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142857168860 = 22572394269491
BaseRepresentation
bin1000010100001011110…
…0110110011111011100
3111122201221222002121002
42011002330312133130
54320032413400420
6145343324525432
713215063620450
oct2050274663734
9448657862532
10142857168860
115564916941a
122382a6b0878
13106187b7663
146cb2c94660
153ab19a0075
hex2142f367dc

142857168860 has 48 divisors (see below), whose sum is σ = 344291834880. Its totient is φ = 48774653760.

The previous prime is 142857168803. The next prime is 142857168869. The reversal of 142857168860 is 68861758241.

It is a junction number, because it is equal to n+sod(n) for n = 142857168796 and 142857168805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142857168869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2101286 + ... + 2168205.

It is an arithmetic number, because the mean of its divisors is an integer number (7172746560).

Almost surely, 2142857168860 is an apocalyptic number.

142857168860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142857168860 is an abundant number, since it is smaller than the sum of its proper divisors (201434666020).

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

142857168860 is a wasteful number, since it uses less digits than its factorization.

142857168860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269746 (or 4269744 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 142857168860 in words is "one hundred forty-two billion, eight hundred fifty-seven million, one hundred sixty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 239 478 956 1195 1673 2390 3346 4780 6692 8365 16730 33460 4269491 8538982 17077964 21347455 29886437 42694910 59772874 85389820 119545748 149432185 298864370 597728740 1020408349 2040816698 4081633396 5102041745 7142858443 10204083490 14285716886 20408166980 28571433772 35714292215 71428584430 142857168860