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101212100021095 = 572844674890793
BaseRepresentation
bin10111000000110101000111…
…010001001100101101100111
3111021100210010021100101202121
4113000311013101030231213
5101231224340101133340
6555132110304450411
730214222122262600
oct2700650721145547
9437323107311677
10101212100021095
112a2818a09601a8
12b4276bb619a07
13446234c51573b
141adc998352da7
15ba7b5b8d694a
hex5c0d4744cb67

101212100021095 has 24 divisors (see below), whose sum is σ = 141285530956464. Its totient is φ = 69401747028096.

The previous prime is 101212100021077. The next prime is 101212100021173. The reversal of 101212100021095 is 590120001212101.

It is not a de Polignac number, because 101212100021095 - 225 = 101212066466663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18249019 + ... + 23139811.

It is an arithmetic number, because the mean of its divisors is an integer number (5886897123186).

Almost surely, 2101212100021095 is an apocalyptic number.

101212100021095 is a deficient number, since it is larger than the sum of its proper divisors (40073430935369).

101212100021095 is an equidigital number, since it uses as much as digits as its factorization.

101212100021095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975279 (or 4975272 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 101212100021095 its reverse (590120001212101), we get a palindrome (691332101233196).

The spelling of 101212100021095 in words is "one hundred one trillion, two hundred twelve billion, one hundred million, twenty-one thousand, ninety-five".

Divisors: 1 5 7 35 49 245 84467 422335 591269 2956345 4138883 4890793 20694415 24453965 34235551 171177755 239648857 1198244285 413110612331 2065553061655 2891774286317 14458871431585 20242420004219 101212100021095