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11201002001 = 72369571441
BaseRepresentation
bin10100110111010000…
…11011101000010001
31001220121122212010222
422123220123220101
5140414424031001
65051244202425
7544366642340
oct123350335021
931817585128
1011201002001
114828745652
122207239415
131096772a47
14783873b57
1545854561b
hex29ba1ba11

11201002001 has 8 divisors (see below), whose sum is σ = 13357716864. Its totient is φ = 9183430080.

The previous prime is 11201001991. The next prime is 11201002003. The reversal of 11201002001 is 10020010211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11201002001 - 26 = 11201001937 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 11201002001.

It is not an unprimeable number, because it can be changed into a prime (11201002003) 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, 34785560 + ... + 34785881.

It is an arithmetic number, because the mean of its divisors is an integer number (1669714608).

Almost surely, 211201002001 is an apocalyptic number.

It is an amenable number.

11201002001 is a deficient number, since it is larger than the sum of its proper divisors (2156714863).

11201002001 is an equidigital number, since it uses as much as digits as its factorization.

11201002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69571471.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11201002001 its reverse (10020010211), we get a palindrome (21221012212).

The spelling of 11201002001 in words is "eleven billion, two hundred one million, two thousand, one".

Divisors: 1 7 23 161 69571441 487000087 1600143143 11201002001