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11331200001 = 311231215427
BaseRepresentation
bin10101000110110010…
…00110010000000001
31002020200122121020010
422203121012100001
5141201241400001
65112214535133
7550540416342
oct124331062001
932220577203
1011331200001
114895192300
1222429674a9
1310b772a694
14796c860c9
15464bb28d6
hex2a3646401

11331200001 has 12 divisors (see below), whose sum is σ = 16606607696. Its totient is φ = 6867393720.

The previous prime is 11331199981. The next prime is 11331200003. The reversal of 11331200001 is 10000213311.

It is not a de Polignac number, because 11331200001 - 211 = 11331197953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331200001.

It is not an unprimeable number, because it can be changed into a prime (11331200003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15607351 + ... + 15608076.

Almost surely, 211331200001 is an apocalyptic number.

11331200001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11331200001 is a deficient number, since it is larger than the sum of its proper divisors (5275407695).

11331200001 is a wasteful number, since it uses less digits than its factorization.

11331200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31215452 (or 31215441 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 11331200001 its reverse (10000213311), we get a palindrome (21331413312).

The spelling of 11331200001 in words is "eleven billion, three hundred thirty-one million, two hundred thousand, one".

Divisors: 1 3 11 33 121 363 31215427 93646281 343369697 1030109091 3777066667 11331200001