Search a number
-
+
20011110006 = 23174714592861
BaseRepresentation
bin10010101000110000…
…010100111001110110
31220122121102201022110
4102220300110321312
5311440321010011
613105403311450
71305615425406
oct225060247166
956577381273
1020011110006
118539828148
123a6581b586
131b6ba977c4
14d7b978806
157c1c12ba6
hex4a8c14e76

20011110006 has 64 divisors (see below), whose sum is σ = 43322895360. Its totient is φ = 6138063360.

The previous prime is 20011109971. The next prime is 20011110019. The reversal of 20011110006 is 60001111002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20011109973 and 20011110000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6993016 + ... + 6995876.

It is an arithmetic number, because the mean of its divisors is an integer number (676920240).

Almost surely, 220011110006 is an apocalyptic number.

20011110006 is an abundant number, since it is smaller than the sum of its proper divisors (23311785354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011110006 is a wasteful number, since it uses less digits than its factorization.

20011110006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389.

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

Adding to 20011110006 its reverse (60001111002), we get a palindrome (80012221008).

The spelling of 20011110006 in words is "twenty billion, eleven million, one hundred ten thousand, six".

Divisors: 1 2 3 6 17 34 47 51 94 102 141 282 799 1459 1598 2397 2861 2918 4377 4794 5722 8583 8754 17166 24803 48637 49606 68573 74409 97274 134467 137146 145911 148818 205719 268934 291822 403401 411438 806802 1165741 2285939 2331482 3497223 4174199 4571878 6857817 6994446 8348398 12522597 13715634 25045194 70961383 141922766 196187353 212884149 392374706 425768298 588562059 1177124118 3335185001 6670370002 10005555003 20011110006