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11211002018 = 231149136709
BaseRepresentation
bin10100111000011101…
…00101000010100010
31001221022110220120222
422130032211002202
5140430004031033
65052242403042
7544550642036
oct123416450242
931838426528
1011211002018
114833355827
12220a660482
131098864608
14784d181c6
1545936d598
hex29c3a50a2

11211002018 has 16 divisors (see below), whose sum is σ = 16905395520. Its totient is φ = 5575945200.

The previous prime is 11211002017. The next prime is 11211002081. The reversal of 11211002018 is 81020011211.

It is a junction number, because it is equal to n+sod(n) for n = 11211001987 and 11211002005.

It is not an unprimeable number, because it can be changed into a prime (11211002017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287048 + ... + 323756.

It is an arithmetic number, because the mean of its divisors is an integer number (1056587220).

Almost surely, 211211002018 is an apocalyptic number.

11211002018 is a deficient number, since it is larger than the sum of its proper divisors (5694393502).

11211002018 is a wasteful number, since it uses less digits than its factorization.

11211002018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37513.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11211002018 its reverse (81020011211), we get a palindrome (92231013229).

The spelling of 11211002018 in words is "eleven billion, two hundred eleven million, two thousand, eighteen".

Divisors: 1 2 311 491 622 982 36709 73418 152701 305402 11416499 18024119 22832998 36048238 5605501009 11211002018