Search a number
-
+
20001131102 = 2147122213061
BaseRepresentation
bin10010101000001010…
…010000101001011110
31220121220122201211102
4102220022100221132
5311430242143402
613104405353102
71305434544401
oct225012205136
956556581742
1020001131102
118534131917
123a62408792
131b699b2724
14d7a4dbd38
157c0de1102
hex4a8290a5e

20001131102 has 16 divisors (see below), whose sum is σ = 30045421824. Its totient is φ = 9986004000.

The previous prime is 20001131053. The next prime is 20001131173. The reversal of 20001131102 is 20113110002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6532652 + ... + 6535712.

It is an arithmetic number, because the mean of its divisors is an integer number (1877838864).

Almost surely, 220001131102 is an apocalyptic number.

20001131102 is a deficient number, since it is larger than the sum of its proper divisors (10044290722).

20001131102 is a wasteful number, since it uses less digits than its factorization.

20001131102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20001131102 its reverse (20113110002), we get a palindrome (40114241104).

The spelling of 20001131102 in words is "twenty billion, one million, one hundred thirty-one thousand, one hundred two".

Divisors: 1 2 1471 2221 2942 3061 4442 6122 3267091 4502731 6534182 6798481 9005462 13596962 10000565551 20001131102