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2142562561487 is a prime number
BaseRepresentation
bin11111001011011010101…
…011100010110111001111
321120211022212110100012222
4133023122223202313033
5240100432003431422
64320140223245555
7310536461166065
oct37133253426717
97524285410188
102142562561487
11756723789337
122a72aba498bb
13127072cbb62a
14759b4576035
153aaedb86842
hex1f2daae2dcf

2142562561487 has 2 divisors, whose sum is σ = 2142562561488. Its totient is φ = 2142562561486.

The previous prime is 2142562561441. The next prime is 2142562561523. The reversal of 2142562561487 is 7841652652412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142562561487 - 238 = 1867684654543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142562561417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071281280743 + 1071281280744.

It is an arithmetic number, because the mean of its divisors is an integer number (1071281280744).

Almost surely, 22142562561487 is an apocalyptic number.

2142562561487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142562561487 is an equidigital number, since it uses as much as digits as its factorization.

2142562561487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6451200, while the sum is 53.

The spelling of 2142562561487 in words is "two trillion, one hundred forty-two billion, five hundred sixty-two million, five hundred sixty-one thousand, four hundred eighty-seven".