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42487867348159 is a prime number
BaseRepresentation
bin10011010100100011110100…
…01111011001010010111111
312120102210121112021000001111
421222101322033121102333
521032110123020120114
6230210353511422451
711643434650430362
oct1152217217312277
9176383545230044
1042487867348159
11125a1004509462
124922524984a27
131a927864ab56c
14a6c5d0ac00d9
154da318607bc4
hex26a47a3d94bf

42487867348159 has 2 divisors, whose sum is σ = 42487867348160. Its totient is φ = 42487867348158.

The previous prime is 42487867348127. The next prime is 42487867348193. The reversal of 42487867348159 is 95184376878424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42487867348159 - 25 = 42487867348127 is a prime.

It is a super-4 number, since 4×424878673481594 (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42487867348109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21243933674079 + 21243933674080.

It is an arithmetic number, because the mean of its divisors is an integer number (21243933674080).

Almost surely, 242487867348159 is an apocalyptic number.

42487867348159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42487867348159 is an equidigital number, since it uses as much as digits as its factorization.

42487867348159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2601123840, while the sum is 76.

The spelling of 42487867348159 in words is "forty-two trillion, four hundred eighty-seven billion, eight hundred sixty-seven million, three hundred forty-eight thousand, one hundred fifty-nine".