Search a number
-
+
20134104212 = 2247131817529
BaseRepresentation
bin10010110000000101…
…100000110010010100
31220222011212110122102
4102300011200302110
5312213312313322
613125515421232
71311641030165
oct226005406224
956864773572
1020134104212
1185a21a4552
123a9aa54818
131b8b3cc541
14d9003376c
157cc90a792
hex4b0160c94

20134104212 has 24 divisors (see below), whose sum is σ = 36259090560. Its totient is φ = 9777634880.

The previous prime is 20134104209. The next prime is 20134104217. The reversal of 20134104212 is 21240143102.

It is a super-2 number, since 2×201341042122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20134104217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384137 + ... + 433392.

It is an arithmetic number, because the mean of its divisors is an integer number (1510795440).

Almost surely, 220134104212 is an apocalyptic number.

It is an amenable number.

20134104212 is a deficient number, since it is larger than the sum of its proper divisors (16124986348).

20134104212 is a wasteful number, since it uses less digits than its factorization.

20134104212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817711 (or 817709 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20134104212 its reverse (21240143102), we get a palindrome (41374247314).

The spelling of 20134104212 in words is "twenty billion, one hundred thirty-four million, one hundred four thousand, two hundred twelve".

Divisors: 1 2 4 47 94 131 188 262 524 6157 12314 24628 817529 1635058 3270116 38423863 76847726 107096299 153695452 214192598 428385196 5033526053 10067052106 20134104212