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1020002212 = 22255000553
BaseRepresentation
bin111100110010111…
…111111110100100
32122002022110222201
4330302333332210
54042110032322
6245114104244
734163606245
oct7462777644
92562273881
101020002212
11483845839
1224571b084
13133421608
1499676ccc
155e832d27
hex3ccbffa4

1020002212 has 6 divisors (see below), whose sum is σ = 1785003878. Its totient is φ = 510001104.

The previous prime is 1020002201. The next prime is 1020002219. The reversal of 1020002212 is 2122000201.

It can be written as a sum of positive squares in only one way, i.e., 1019269476 + 732736 = 31926^2 + 856^2 .

It is not an unprimeable number, because it can be changed into a prime (1020002219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127500273 + ... + 127500280.

Almost surely, 21020002212 is an apocalyptic number.

It is an amenable number.

1020002212 is a deficient number, since it is larger than the sum of its proper divisors (765001666).

1020002212 is a wasteful number, since it uses less digits than its factorization.

1020002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255000557 (or 255000555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020002212 is about 31937.4734755271. The cubic root of 1020002212 is about 1006.6234372228.

Adding to 1020002212 its reverse (2122000201), we get a palindrome (3142002413).

The spelling of 1020002212 in words is "one billion, twenty million, two thousand, two hundred twelve".

Divisors: 1 2 4 255000553 510001106 1020002212