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1021412212 = 22255353053
BaseRepresentation
bin111100111000011…
…000001101110100
32122011222010010221
4330320120031310
54042440142322
6245204224124
734211601112
oct7470301564
92564863127
101021412212
11484619127
1224609b044
131337c6332
1499922ab2
155ea109c7
hex3ce18374

1021412212 has 6 divisors (see below), whose sum is σ = 1787471378. Its totient is φ = 510706104.

The previous prime is 1021412209. The next prime is 1021412303. The reversal of 1021412212 is 2122141201.

1021412212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 761428836 + 259983376 = 27594^2 + 16124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127676523 + ... + 127676530.

Almost surely, 21021412212 is an apocalyptic number.

It is an amenable number.

1021412212 is a deficient number, since it is larger than the sum of its proper divisors (766059166).

1021412212 is a wasteful number, since it uses less digits than its factorization.

1021412212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255353057 (or 255353055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1021412212 is about 31959.5402344902. The cubic root of 1021412212 is about 1007.0870589430.

Adding to 1021412212 its reverse (2122141201), we get a palindrome (3143553413).

The spelling of 1021412212 in words is "one billion, twenty-one million, four hundred twelve thousand, two hundred twelve".

Divisors: 1 2 4 255353053 510706106 1021412212