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42862663089 = 32690112
BaseRepresentation
bin100111111010110100…
…000101010110110001
311002122011122220000100
4213322310011112301
51200240320204324
631405115343013
73045114424221
oct477264052661
9132564586010
1042862663089
11171a5946204
128382751a69
13407117c94c
142108864081
1511ace9d4c9
hex9fad055b1

42862663089 has 9 divisors (see below), whose sum is σ = 61913632729. Its totient is φ = 28574694660.

The previous prime is 42862663079. The next prime is 42862663097. The reversal of 42862663089 is 98036626824.

The square root of 42862663089 is 207033.

It is a perfect power (a square), and thus also a powerful number.

42862663089 is a `hidden beast` number, since 4 + 2 + 8 + 626 + 6 + 3 + 0 + 8 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 42862663089 - 217 = 42862532017 is a prime.

It is a super-2 number, since 2×428626630892 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42862663079) 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 8 ways as a sum of consecutive naturals, for example, 586594 + ... + 655604.

Almost surely, 242862663089 is an apocalyptic number.

42862663089 is the 207033-rd square number.

42862663089 is the 103517-th centered octagonal number.

It is an amenable number.

42862663089 is a deficient number, since it is larger than the sum of its proper divisors (19050969640).

42862663089 is an frugal number, since it uses more digits than its factorization.

42862663089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138028 (or 69014 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 42862663089 in words is "forty-two billion, eight hundred sixty-two million, six hundred sixty-three thousand, eighty-nine".

Divisors: 1 3 9 69011 207033 621099 4762518121 14287554363 42862663089