Search a number
-
+
20101400011 = 711307850349
BaseRepresentation
bin10010101110001000…
…110000010111001011
31220212220022220220201
4102232020300113023
5312131424300021
613122350433031
71311063036520
oct225610602713
956786286821
1020101400011
118585797390
123a8bb02777
131b846bb744
14d8995d147
157c9aea591
hex4ae2305cb

20101400011 has 16 divisors (see below), whose sum is σ = 25143148800. Its totient is φ = 15612389280.

The previous prime is 20101399973. The next prime is 20101400023. The reversal of 20101400011 is 11000410102.

It is a cyclic number.

It is not a de Polignac number, because 20101400011 - 29 = 20101399499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101400041) 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, 401536 + ... + 448813.

It is an arithmetic number, because the mean of its divisors is an integer number (1571446800).

Almost surely, 220101400011 is an apocalyptic number.

20101400011 is a deficient number, since it is larger than the sum of its proper divisors (5041748789).

20101400011 is a wasteful number, since it uses less digits than its factorization.

20101400011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850674.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20101400011 its reverse (11000410102), we get a palindrome (31101810113).

The spelling of 20101400011 in words is "twenty billion, one hundred one million, four hundred thousand, eleven".

Divisors: 1 7 11 77 307 2149 3377 23639 850349 5952443 9353839 65476873 261057143 1827400001 2871628573 20101400011