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1020212011 = 713195973137
BaseRepresentation
bin111100110011110…
…011001100101011
32122002201010210001
4330303303030223
54042133241021
6245122403431
734165442020
oct7463631453
92562633701
101020212011
11483979425
12245800577
13133495c60
14996cd547
155e875091
hex3ccf332b

1020212011 has 64 divisors (see below), whose sum is σ = 1372492800. Its totient is φ = 736045056.

The previous prime is 1020211991. The next prime is 1020212029. The reversal of 1020212011 is 1102120201.

It is a cyclic number.

It is not a de Polignac number, because 1020212011 - 27 = 1020211883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020212071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7446735 + ... + 7446871.

It is an arithmetic number, because the mean of its divisors is an integer number (21445200).

Almost surely, 21020212011 is an apocalyptic number.

1020212011 is a deficient number, since it is larger than the sum of its proper divisors (352280789).

1020212011 is a wasteful number, since it uses less digits than its factorization.

1020212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

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

The square root of 1020212011 is about 31940.7578338398. The cubic root of 1020212011 is about 1006.6924482211.

Adding to 1020212011 its reverse (1102120201), we get a palindrome (2122332212).

The spelling of 1020212011 in words is "one billion, twenty million, two hundred twelve thousand, eleven".

Divisors: 1 7 13 19 59 73 91 133 137 247 413 511 767 949 959 1121 1387 1729 1781 2603 4307 5369 6643 7847 8083 9709 10001 12467 14573 18031 18221 30149 33839 55991 56581 70007 81833 102011 105079 126217 130013 153577 190019 236873 391937 572831 590059 735553 910091 1063829 1075039 1330133 1996501 2470247 4130413 7446803 7670767 11211121 13975507 17291729 53695369 78477847 145744573 1020212011