Search a number
-
+
12022076440 = 2351129942169
BaseRepresentation
bin10110011001001001…
…00101010000011000
31011000211122202112101
423030210211100120
5144110122421230
65304534453144
7603626651353
oct131444452030
934024582471
1012022076440
11510a16aa70
1223b62041b4
1311978c40ca
1482092729a
154a5681aca
hex2cc925418

12022076440 has 64 divisors (see below), whose sum is σ = 30526308000. Its totient is φ = 4220912640.

The previous prime is 12022076419. The next prime is 12022076449. The reversal of 12022076440 is 4467022021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12022076399 and 12022076408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022076449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458325 + ... + 483844.

Almost surely, 212022076440 is an apocalyptic number.

12022076440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022076440 is an abundant number, since it is smaller than the sum of its proper divisors (18504231560).

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

12022076440 is a wasteful number, since it uses less digits than its factorization.

12022076440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942220 (or 942216 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

Adding to 12022076440 its reverse (4467022021), we get a palindrome (16489098461).

The spelling of 12022076440 in words is "twelve billion, twenty-two million, seventy-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 29 40 44 55 58 88 110 116 145 220 232 290 319 440 580 638 1160 1276 1595 2552 3190 6380 12760 942169 1884338 3768676 4710845 7537352 9421690 10363859 18843380 20727718 27322901 37686760 41455436 51819295 54645802 82910872 103638590 109291604 136614505 207277180 218583208 273229010 300551911 414554360 546458020 601103822 1092916040 1202207644 1502759555 2404415288 3005519110 6011038220 12022076440