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2687608440001 is a prime number
BaseRepresentation
bin100111000111000001111…
…100100100010011000001
3100111221012001102210000101
4213013001330210103001
5323013210230040001
65414400440122401
7365113304544352
oct47070174442301
910457161383011
102687608440001
11946898998001
12374a62766401
131665956c1994
149411c16bd29
1549d9e26ba01
hex271c1f244c1

2687608440001 has 2 divisors, whose sum is σ = 2687608440002. Its totient is φ = 2687608440000.

The previous prime is 2687608439993. The next prime is 2687608440107. The reversal of 2687608440001 is 1000448067862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1763116574976 + 924491865025 = 1327824^2 + 961505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2687608440001 - 23 = 2687608439993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2687608446001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343804220000 + 1343804220001.

It is an arithmetic number, because the mean of its divisors is an integer number (1343804220001).

Almost surely, 22687608440001 is an apocalyptic number.

It is an amenable number.

2687608440001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687608440001 is an equidigital number, since it uses as much as digits as its factorization.

2687608440001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 2687608440001 in words is "two trillion, six hundred eighty-seven billion, six hundred eight million, four hundred forty thousand, one".