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142321204215130 = 2561716834811281
BaseRepresentation
bin100000010111000010111100…
…110100100011110101011010
3200122220202220102111011011111
4200113002330310203311122
5122123242311234341010
61222405243021050534
741656240054415623
oct4027027464436532
9618822812434144
10142321204215130
11413910a1522a66
1213b669773b6a4a
136154aa7aba215
1427205510b0a4a
15116c17b4b358a
hex8170bcd23d5a

142321204215130 has 64 divisors (see below), whose sum is σ = 264431753784576. Its totient is φ = 55125721728000.

The previous prime is 142321204215121. The next prime is 142321204215131. The reversal of 142321204215130 is 31512402123241.

It is a junction number, because it is equal to n+sod(n) for n = 142321204215092 and 142321204215101.

It is not an unprimeable number, because it can be changed into a prime (142321204215131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27175090 + ... + 31986370.

It is an arithmetic number, because the mean of its divisors is an integer number (4131746152884).

Almost surely, 2142321204215130 is an apocalyptic number.

142321204215130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142321204215130 is a deficient number, since it is larger than the sum of its proper divisors (122110549569446).

142321204215130 is a wasteful number, since it uses less digits than its factorization.

142321204215130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812103.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 142321204215130 its reverse (31512402123241), we get a palindrome (173833606338371).

The spelling of 142321204215130 in words is "one hundred forty-two trillion, three hundred twenty-one billion, two hundred four million, two hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 5 10 61 71 122 142 305 355 610 683 710 1366 3415 4331 6830 8662 21655 41663 43310 48493 83326 96986 208315 242465 416630 484930 2958073 4811281 5916146 9622562 14790365 24056405 29580730 48112810 293488141 341600951 586976282 683201902 1467440705 1708004755 2934881410 3286104923 3416009510 6572209846 16430524615 20837658011 32861049230 41675316022 104188290055 200452400303 208376580110 233313449533 400904800606 466626899066 1002262001515 1166567247665 2004524003030 2333134495330 14232120421513 28464240843026 71160602107565 142321204215130