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11201031112 = 231400128889
BaseRepresentation
bin10100110111010001…
…00010101111001000
31001220121201100002011
422123220202233020
5140414430443422
65051244545304
7544400123245
oct123350425710
931817640064
1011201031112
114828765507
122207252234
13109678307b
147838805cc
1545854e077
hex29ba22bc8

11201031112 has 8 divisors (see below), whose sum is σ = 21001933350. Its totient is φ = 5600515552.

The previous prime is 11201031109. The next prime is 11201031113. The reversal of 11201031112 is 21113010211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10111106916 + 1089924196 = 100554^2 + 33014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 11201031092 and 11201031101.

It is not an unprimeable number, because it can be changed into a prime (11201031113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700064437 + ... + 700064452.

Almost surely, 211201031112 is an apocalyptic number.

It is an amenable number.

11201031112 is a deficient number, since it is larger than the sum of its proper divisors (9800902238).

11201031112 is a wasteful number, since it uses less digits than its factorization.

11201031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400128895 (or 1400128891 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11201031112 its reverse (21113010211), we get a palindrome (32314041323).

The spelling of 11201031112 in words is "eleven billion, two hundred one million, thirty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 1400128889 2800257778 5600515556 11201031112