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211210102210123 = 17109384311358233
BaseRepresentation
bin110000000001100000101111…
…000111010111111001001011
31000200211111012011122212102201
4300001200233013113321023
5210140431242131210443
62025112325332341031
762326266141025612
oct6001405707277113
91020744164585381
10211210102210123
1161330779509445
121b831b23a74777
1390b1047928013
143a228a2c08879
1519640d5a1a34d
hexc0182f1d7e4b

211210102210123 has 8 divisors (see below), whose sum is σ = 223634450006928. Its totient is φ = 198785779317504.

The previous prime is 211210102210061. The next prime is 211210102210139. The reversal of 211210102210123 is 321012201012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211210102210123 - 217 = 211210102079051 is a prime.

It is a super-2 number, since 2×2112101022101232 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211210102210123.

It is not an unprimeable number, because it can be changed into a prime (211210102210223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12916215 + ... + 24274447.

It is an arithmetic number, because the mean of its divisors is an integer number (27954306250866).

Almost surely, 2211210102210123 is an apocalyptic number.

211210102210123 is a deficient number, since it is larger than the sum of its proper divisors (12424347796805).

211210102210123 is a wasteful number, since it uses less digits than its factorization.

211210102210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12452093.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 211210102210123 its reverse (321012201012112), we get a palindrome (532222303222235).

The spelling of 211210102210123 in words is "two hundred eleven trillion, two hundred ten billion, one hundred two million, two hundred ten thousand, one hundred twenty-three".

Divisors: 1 17 1093843 11358233 18595331 193089961 12424123659419 211210102210123