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1230223310211 = 37445191315889
BaseRepresentation
bin10001111001101111000…
…001011111110110000011
311100121102101012100101010
4101321233001133312003
5130123444131411321
62341053511012003
7154611036413040
oct21715701376603
94317371170333
101230223310211
11434809a94415
1217a51336a003
138c01800910c
14437864a21c7
1522003225676
hex11e6f05fd83

1230223310211 has 16 divisors (see below), whose sum is σ = 1874669529600. Its totient is φ = 702968423808.

The previous prime is 1230223310201. The next prime is 1230223310221. The reversal of 1230223310211 is 1120133220321.

It is an interprime number because it is at equal distance from previous prime (1230223310201) and next prime (1230223310221).

It is a de Polignac number, because none of the positive numbers 2k-1230223310211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1230223310201) 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 15 ways as a sum of consecutive naturals, for example, 276955 + ... + 1592843.

It is an arithmetic number, because the mean of its divisors is an integer number (117166845600).

Almost surely, 21230223310211 is an apocalyptic number.

1230223310211 is a deficient number, since it is larger than the sum of its proper divisors (644446219389).

1230223310211 is a wasteful number, since it uses less digits than its factorization.

1230223310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360418.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230223310211 its reverse (1120133220321), we get a palindrome (2350356530532).

The spelling of 1230223310211 in words is "one trillion, two hundred thirty billion, two hundred twenty-three million, three hundred ten thousand, two hundred eleven".

Divisors: 1 3 7 21 44519 133557 311633 934899 1315889 3947667 9211223 27633669 58582062391 175746187173 410074436737 1230223310211