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2687386043 is a prime number
BaseRepresentation
bin1010000000101110…
…0100000110111011
320221021210100121102
42200023210012323
521000432323133
61122400002015
7123411255506
oct24013440673
96837710542
102687386043
111159a60a01
1263000030b
1333a9bb174
141b6cac13d
1510ade27e8
hexa02e41bb

2687386043 has 2 divisors, whose sum is σ = 2687386044. Its totient is φ = 2687386042.

The previous prime is 2687386003. The next prime is 2687386099. The reversal of 2687386043 is 3406837862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2687386043 - 218 = 2687123899 is a prime.

It is a super-2 number, since 2×26873860432 = 14444087488222395698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2687386003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343693021 + 1343693022.

It is an arithmetic number, because the mean of its divisors is an integer number (1343693022).

Almost surely, 22687386043 is an apocalyptic number.

2687386043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2687386043 is an equidigital number, since it uses as much as digits as its factorization.

2687386043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 2687386043 is about 51840.0042727622. The cubic root of 2687386043 is about 1390.3047902267.

The spelling of 2687386043 in words is "two billion, six hundred eighty-seven million, three hundred eighty-six thousand, forty-three".