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1000112120101 = 9771023656213
BaseRepresentation
bin11101000110110110101…
…00111110000100100101
310112121110112101201100101
432203123110332010211
5112341212200320401
62043240053344101
7132153465520543
oct16433324760445
93477415351311
101000112120101
11356166245436
121419b3638031
1373405593bb3
14365972b0d93
151b036512101
hexe8db53e125

1000112120101 has 4 divisors (see below), whose sum is σ = 1001135777292. Its totient is φ = 999088462912.

The previous prime is 1000112120089. The next prime is 1000112120107. The reversal of 1000112120101 is 1010212110001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 417317292001 + 582794828100 = 646001^2 + 763410^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000112120101 - 231 = 997964636453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000112120107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511827130 + ... + 511829083.

It is an arithmetic number, because the mean of its divisors is an integer number (250283944323).

Almost surely, 21000112120101 is an apocalyptic number.

It is an amenable number.

1000112120101 is a deficient number, since it is larger than the sum of its proper divisors (1023657191).

1000112120101 is an equidigital number, since it uses as much as digits as its factorization.

1000112120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023657190.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1000112120101 its reverse (1010212110001), we get a palindrome (2010324230102).

The spelling of 1000112120101 in words is "one trillion, one hundred twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 977 1023656213 1000112120101