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1010021212 = 225310314621
BaseRepresentation
bin111100001100111…
…011001101011100
32121101112101122001
4330030323031130
54032031134322
6244120132044
734013016154
oct7414731534
92541471561
101010021212
11479148982
12242307024
131313385b5
14981d9764
155da10827
hex3c33b35c

1010021212 has 24 divisors (see below), whose sum is σ = 1803023712. Its totient is φ = 494894400.

The previous prime is 1010021203. The next prime is 1010021213. The reversal of 1010021212 is 2121200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216262 + ... + 220882.

It is an arithmetic number, because the mean of its divisors is an integer number (75125988).

Almost surely, 21010021212 is an apocalyptic number.

It is an amenable number.

1010021212 is a deficient number, since it is larger than the sum of its proper divisors (793002500).

1010021212 is a wasteful number, since it uses less digits than its factorization.

1010021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010021212 is about 31780.8308890753. The cubic root of 1010021212 is about 1003.3293074112.

Adding to 1010021212 its reverse (2121200101), we get a palindrome (3131221313).

The spelling of 1010021212 in words is "one billion, ten million, twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 53 106 212 1031 2062 4124 4621 9242 18484 54643 109286 218572 244913 489826 979652 4764251 9528502 19057004 252505303 505010606 1010021212