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121000323101 = 7210124449449
BaseRepresentation
bin111000010110000101…
…1100110100000011101
3102120022201110021211012
41300230023212200131
53440302040314401
6131330424505005
711512333530200
oct1605413464035
9376281407735
10121000323101
1147352589729
121b54a91b165
13b544508628
145bdc139937
153232bec8bb
hex1c2c2e681d

121000323101 has 12 divisors (see below), whose sum is σ = 142149102300. Its totient is φ = 102687681600.

The previous prime is 121000323097. The next prime is 121000323107. The reversal of 121000323101 is 101323000121.

It can be written as a sum of positive squares in 2 ways, for example, as 116246220601 + 4754102500 = 340949^2 + 68950^2 .

It is not a de Polignac number, because 121000323101 - 22 = 121000323097 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 (121000323107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12219776 + ... + 12229673.

It is an arithmetic number, because the mean of its divisors is an integer number (11845758525).

Almost surely, 2121000323101 is an apocalyptic number.

It is an amenable number.

121000323101 is a deficient number, since it is larger than the sum of its proper divisors (21148779199).

121000323101 is a wasteful number, since it uses less digits than its factorization.

121000323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24449564 (or 24449557 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121000323101 its reverse (101323000121), we get a palindrome (222323323222).

The spelling of 121000323101 in words is "one hundred twenty-one billion, three hundred twenty-three thousand, one hundred one".

Divisors: 1 7 49 101 707 4949 24449449 171146143 1198023001 2469394349 17285760443 121000323101