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100120000087 is a prime number
BaseRepresentation
bin101110100111110011…
…1011111011001010111
3100120102112102222102101
41131033213133121113
53120021210000322
6113554451022531
710143031646662
oct1351747373127
9316375388371
10100120000087
1139508147a28
12174a1b9aa47
139597636703
144bbad7a6d9
15290ea40327
hex174f9df657

100120000087 has 2 divisors, whose sum is σ = 100120000088. Its totient is φ = 100120000086.

The previous prime is 100120000037. The next prime is 100120000111. The reversal of 100120000087 is 780000021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100120000087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120000037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060000043 + 50060000044.

It is an arithmetic number, because the mean of its divisors is an integer number (50060000044).

Almost surely, 2100120000087 is an apocalyptic number.

100120000087 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120000087 is an equidigital number, since it uses as much as digits as its factorization.

100120000087 is an odious number, because the sum of its binary digits is odd.

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

Adding to 100120000087 its reverse (780000021001), we get a palindrome (880120021088).

The spelling of 100120000087 in words is "one hundred billion, one hundred twenty million, eighty-seven", and thus it is an aban number.