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2001201000101 = 31472515472143
BaseRepresentation
bin11101000111110000110…
…111111110111010100101
321002022110010201222101022
4131013300313332322211
5230241424424000401
64131201122340525
7264403424560052
oct35076067767245
97068403658338
102001201000101
1170178287aa56
12283a1a1ba745
13116935318b14
146cc041a0029
15370c866471b
hex1d1f0dfeea5

2001201000101 has 16 divisors (see below), whose sum is σ = 2118113722368. Its totient is φ = 1887888990000.

The previous prime is 2001201000053. The next prime is 2001201000133. The reversal of 2001201000101 is 1010001021002.

It is a cyclic number.

It is not a de Polignac number, because 2001201000101 - 230 = 2000127258277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001201000191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2370365 + ... + 3101778.

It is an arithmetic number, because the mean of its divisors is an integer number (132382107648).

Almost surely, 22001201000101 is an apocalyptic number.

It is an amenable number.

2001201000101 is a deficient number, since it is larger than the sum of its proper divisors (116912722267).

2001201000101 is a wasteful number, since it uses less digits than its factorization.

2001201000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472472.

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

Adding to 2001201000101 its reverse (1010001021002), we get a palindrome (3011202021103).

The spelling of 2001201000101 in words is "two trillion, one billion, two hundred one million, one hundred one", and thus it is an aban number.

Divisors: 1 31 47 251 1457 7781 11797 365707 5472143 169636433 257190721 1373507893 7972912351 42578744683 64554870971 2001201000101