Search a number
-
+
20120201411 = 1944911292089
BaseRepresentation
bin10010101111010000…
…011110100011000011
31220221012201010120212
4102233100132203003
5312201232421121
613124301424335
71311411614222
oct225720364303
956835633525
1020120201411
118595369132
123a9626b0ab
131b8857242b
14d8c254cb9
157cb5b125b
hex4af41e8c3

20120201411 has 16 divisors (see below), whose sum is σ = 21255300000. Its totient is φ = 18992848896.

The previous prime is 20120201407. The next prime is 20120201419. The reversal of 20120201411 is 11410202102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20120201411 - 22 = 20120201407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20120201419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9630455 + ... + 9632543.

It is an arithmetic number, because the mean of its divisors is an integer number (1328456250).

Almost surely, 220120201411 is an apocalyptic number.

20120201411 is a deficient number, since it is larger than the sum of its proper divisors (1135098589).

20120201411 is a wasteful number, since it uses less digits than its factorization.

20120201411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3686.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20120201411 its reverse (11410202102), we get a palindrome (31530403513).

The spelling of 20120201411 in words is "twenty billion, one hundred twenty million, two hundred one thousand, four hundred eleven".

Divisors: 1 19 449 1129 2089 8531 21451 39691 506921 937961 2358481 9631499 17821259 44811139 1058957969 20120201411