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10001200087 is a prime number
BaseRepresentation
bin10010101000001111…
…00011001111010111
3221211000000121100001
421110013203033113
5130440301400322
64332224232131
7502560540514
oct112407431727
927730017301
1010001200087
11427246471a
121b3146b647
13c3501a798
146ac39630b
153d8048827
hex2541e33d7

10001200087 has 2 divisors, whose sum is σ = 10001200088. Its totient is φ = 10001200086.

The previous prime is 10001200073. The next prime is 10001200091. The reversal of 10001200087 is 78000210001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10001200087 - 27 = 10001199959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001200057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000600043 + 5000600044.

It is an arithmetic number, because the mean of its divisors is an integer number (5000600044).

Almost surely, 210001200087 is an apocalyptic number.

10001200087 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001200087 is an equidigital number, since it uses as much as digits as its factorization.

10001200087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 10001200087 its reverse (78000210001), we get a palindrome (88001410088).

The spelling of 10001200087 in words is "ten billion, one million, two hundred thousand, eighty-seven".