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20001103201 = 834614631129
BaseRepresentation
bin10010101000001010…
…001001110101100001
31220121220121022120001
4102220022021311201
5311430240300301
613104405020001
71305434400142
oct225012116541
956556538501
1020001103201
118534112962
123a623b4601
131b699a2b11
14d7a4d1ac9
157c0dd7c01
hex4a8289d61

20001103201 has 16 divisors (see below), whose sum is σ = 20347810560. Its totient is φ = 19657249920.

The previous prime is 20001103193. The next prime is 20001103247. The reversal of 20001103201 is 10230110002.

It is a cyclic number.

It is not a de Polignac number, because 20001103201 - 23 = 20001103193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20001103261) 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, 17715205 + ... + 17716333.

It is an arithmetic number, because the mean of its divisors is an integer number (1271738160).

Almost surely, 220001103201 is an apocalyptic number.

It is an amenable number.

20001103201 is a deficient number, since it is larger than the sum of its proper divisors (346707359).

20001103201 is a wasteful number, since it uses less digits than its factorization.

20001103201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20001103201 its reverse (10230110002), we get a palindrome (30231213203).

The spelling of 20001103201 in words is "twenty billion, one million, one hundred three thousand, two hundred one".

Divisors: 1 83 461 463 1129 38263 38429 93707 213443 520469 522727 17715769 43198927 43386341 240977147 20001103201