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42867238850 = 2522973404981
BaseRepresentation
bin100111111011000101…
…100010011111000010
311002122111021100202222
4213323011202133002
51200243003120400
631405401411042
73045201342512
oct477305423702
9132574240688
1042867238850
11171a8491027
128384199a82
1340720c25b7
1421092d5842
1511ad5a4185
hex9fb1627c2

42867238850 has 48 divisors (see below), whose sum is σ = 83612583720. Its totient is φ = 16328793600.

The previous prime is 42867238829. The next prime is 42867238853. The reversal of 42867238850 is 5883276824.

It can be written as a sum of positive squares in 12 ways, for example, as 13790509489 + 29076729361 = 117433^2 + 170519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42867238792 and 42867238801.

It is not an unprimeable number, because it can be changed into a prime (42867238853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96641 + ... + 308340.

Almost surely, 242867238850 is an apocalyptic number.

42867238850 is a deficient number, since it is larger than the sum of its proper divisors (40745344870).

42867238850 is a wasteful number, since it uses less digits than its factorization.

42867238850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405095 (or 405090 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 42867238850 in words is "forty-two billion, eight hundred sixty-seven million, two hundred thirty-eight thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 73 145 146 290 365 725 730 1450 1825 2117 3650 4234 10585 21170 52925 105850 404981 809962 2024905 4049810 10124525 11744449 20249050 23488898 29563613 58722245 59127226 117444490 147818065 293611225 295636130 587222450 739090325 857344777 1478180650 1714689554 4286723885 8573447770 21433619425 42867238850