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142342331450 = 2521111313916477
BaseRepresentation
bin1000010010010001000…
…0111001110000111010
3111121102002012122102212
42010210100321300322
54313004114101300
6145220254055122
713166242565654
oct2044420716072
9447362178385
10142342331450
1155404598460
12237061aa4a2
1310565c38c37
146c647596d4
153a816a5935
hex2124439c3a

142342331450 has 96 divisors (see below), whose sum is σ = 293495590080. Its totient is φ = 50930611200.

The previous prime is 142342331419. The next prime is 142342331459. The reversal of 142342331450 is 54133243241.

It is a super-2 number, since 2×1423423314502 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142342331459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8630612 + ... + 8647088.

It is an arithmetic number, because the mean of its divisors is an integer number (3057245730).

Almost surely, 2142342331450 is an apocalyptic number.

142342331450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142342331450 is an abundant number, since it is smaller than the sum of its proper divisors (151153258630).

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

142342331450 is a wasteful number, since it uses less digits than its factorization.

142342331450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16752 (or 16747 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 142342331450 its reverse (54133243241), we get a palindrome (196475574691).

The spelling of 142342331450 in words is "one hundred forty-two billion, three hundred forty-two million, three hundred thirty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 113 139 226 275 278 550 565 695 1130 1243 1390 1529 2486 2825 3058 3475 5650 6215 6950 7645 12430 15290 15707 16477 31075 31414 32954 38225 62150 76450 78535 82385 157070 164770 172777 181247 345554 362494 392675 411925 785350 823850 863885 906235 1727770 1812470 1861901 2290303 3723802 4319425 4531175 4580606 8638850 9062350 9309505 11451515 18619010 20480911 22903030 25193333 40961822 46547525 50386666 57257575 93095050 102404555 114515150 125966665 204809110 251933330 258804239 512022775 517608478 629833325 1024045550 1259666650 1294021195 2588042390 2846846629 5693693258 6470105975 12940211950 14234233145 28468466290 71171165725 142342331450