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100100212 = 22107233879
BaseRepresentation
bin1011111011101…
…10100001110100
320222100121200021
411331312201310
5201111201322
613533254524
72323560232
oct575664164
9228317607
10100100212
115155a853
1229634444
131797a2c4
14d419952
158bc44c7
hex5f76874

100100212 has 12 divisors (see below), whose sum is σ = 176813280. Its totient is φ = 49582136.

The previous prime is 100100197. The next prime is 100100239. The reversal of 100100212 is 212001001.

It is a junction number, because it is equal to n+sod(n) for n = 100100195 and 100100204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116512 + ... + 117367.

It is an arithmetic number, because the mean of its divisors is an integer number (14734440).

Almost surely, 2100100212 is an apocalyptic number.

It is an amenable number.

100100212 is a deficient number, since it is larger than the sum of its proper divisors (76713068).

100100212 is a wasteful number, since it uses less digits than its factorization.

100100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233990 (or 233988 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 100100212 is about 10005.0093453230. The cubic root of 100100212 is about 464.3138792314.

Adding to 100100212 its reverse (212001001), we get a palindrome (312101213).

The spelling of 100100212 in words is "one hundred million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 107 214 428 233879 467758 935516 25025053 50050106 100100212