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42220342230 = 23511294411739
BaseRepresentation
bin100111010100100001…
…110100101111010110
311000222102000121102220
4213110201310233112
51142431401422410
631221252243210
73023154662523
oct472441645726
9130872017386
1042220342230
11169a6312020
128223610506
133c9b087031
14208742214a
1511718c1070
hex9d4874bd6

42220342230 has 64 divisors (see below), whose sum is σ = 114352300800. Its totient is φ = 9882293120.

The previous prime is 42220342217. The next prime is 42220342237. The reversal of 42220342230 is 3224302224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42220342230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220342237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2196300 + ... + 2215439.

It is an arithmetic number, because the mean of its divisors is an integer number (1786754700).

Almost surely, 242220342230 is an apocalyptic number.

42220342230 is an abundant number, since it is smaller than the sum of its proper divisors (72131958570).

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

42220342230 is a wasteful number, since it uses less digits than its factorization.

42220342230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411789.

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 42220342230 its reverse (3224302224), we get a palindrome (45444644454).

The spelling of 42220342230 in words is "forty-two billion, two hundred twenty million, three hundred forty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 29 30 33 55 58 66 87 110 145 165 174 290 319 330 435 638 870 957 1595 1914 3190 4785 9570 4411739 8823478 13235217 22058695 26470434 44117390 48529129 66176085 97058258 127940431 132352170 145587387 242645645 255880862 291174774 383821293 485291290 639702155 727936935 767642586 1279404310 1407344741 1455873870 1919106465 2814689482 3838212930 4222034223 7036723705 8444068446 14073447410 21110171115 42220342230