Search a number
-
+
42504337708687 is a prime number
BaseRepresentation
bin10011010101000010011111…
…11100110101011010001111
312120111101010101011000012101
421222201033330311122033
521032342340423134222
6230222120112415531
711644560053250241
oct1152411774653217
9176441111130171
1042504337708687
11125a7a96607068
1249257608475a7
131a941ac83ca1a
14a6d3142d0091
154da97e55e927
hex26a84ff3568f

42504337708687 has 2 divisors, whose sum is σ = 42504337708688. Its totient is φ = 42504337708686.

The previous prime is 42504337708663. The next prime is 42504337708711. The reversal of 42504337708687 is 78680773340524.

It is a balanced prime because it is at equal distance from previous prime (42504337708663) and next prime (42504337708711).

It is a cyclic number.

It is not a de Polignac number, because 42504337708687 - 235 = 42469977970319 is a prime.

It is a super-2 number, since 2×425043377086872 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42504337706687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21252168854343 + 21252168854344.

It is an arithmetic number, because the mean of its divisors is an integer number (21252168854344).

Almost surely, 242504337708687 is an apocalyptic number.

42504337708687 is a deficient number, since it is larger than the sum of its proper divisors (1).

42504337708687 is an equidigital number, since it uses as much as digits as its factorization.

42504337708687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189665280, while the sum is 64.

The spelling of 42504337708687 in words is "forty-two trillion, five hundred four billion, three hundred thirty-seven million, seven hundred eight thousand, six hundred eighty-seven".