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2100101223 = 31163639431
BaseRepresentation
bin111110100101101…
…0000000001100111
312102100201012021210
41331023100001213
513300111214343
6544220242503
7103020365043
oct17513200147
95370635253
102100101223
119884a8150
124a73a0433
13276124c5c
1415ccb5023
15c4587333
hex7d2d0067

2100101223 has 8 divisors (see below), whose sum is σ = 3054692736. Its totient is φ = 1272788600.

The previous prime is 2100101191. The next prime is 2100101243. The reversal of 2100101223 is 3221010012.

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 2100101223 - 25 = 2100101191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2100101199 and 2100101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100101243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31819683 + ... + 31819748.

It is an arithmetic number, because the mean of its divisors is an integer number (381836592).

Almost surely, 22100101223 is an apocalyptic number.

2100101223 is a deficient number, since it is larger than the sum of its proper divisors (954591513).

2100101223 is a wasteful number, since it uses less digits than its factorization.

2100101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63639445.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2100101223 is about 45826.8613697251. The cubic root of 2100101223 is about 1280.5997399053.

Adding to 2100101223 its reverse (3221010012), we get a palindrome (5321111235).

The spelling of 2100101223 in words is "two billion, one hundred million, one hundred one thousand, two hundred twenty-three".

Divisors: 1 3 11 33 63639431 190918293 700033741 2100101223