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142354543411240 = 23531140867280013
BaseRepresentation
bin100000010111100001111111…
…111111100000000000101000
3200200000221221220001210110121
4200113201333333200000220
5122124314101103124430
61222432435135453024
741661530202046246
oct4027417777400050
9620027856053417
10142354543411240
11413a424a6424a6
1213b71320687174
136157c8bc092b4
142721dd4bb9796
15116ce7d333a7a
hex81787ffe0028

142354543411240 has 64 divisors (see below), whose sum is σ = 321336629228160. Its totient is φ = 56757133144320.

The previous prime is 142354543411231. The next prime is 142354543411247. The reversal of 142354543411240 is 42114345453241.

It is a super-2 number, since 2×1423545434112402 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142354543411247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508245474 + ... + 508525486.

It is an arithmetic number, because the mean of its divisors is an integer number (5020884831690).

Almost surely, 2142354543411240 is an apocalyptic number.

142354543411240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142354543411240 is an abundant number, since it is smaller than the sum of its proper divisors (178982085816920).

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

142354543411240 is a wasteful number, since it uses less digits than its factorization.

142354543411240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321202 (or 321198 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 43.

Adding to 142354543411240 its reverse (42114345453241), we get a palindrome (184468888864481).

The spelling of 142354543411240 in words is "one hundred forty-two trillion, three hundred fifty-four billion, five hundred forty-three million, four hundred eleven thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 311 622 1244 1555 2488 3110 6220 12440 40867 81734 163468 204335 280013 326936 408670 560026 817340 1120052 1400065 1634680 2240104 2800130 5600260 11200520 12709637 25419274 50838548 63548185 87084043 101677096 127096370 174168086 254192740 348336172 435420215 508385480 696672344 870840430 1741680860 3483361720 11443291271 22886582542 45773165084 57216456355 91546330168 114432912710 228865825420 457731650840 3558863585281 7117727170562 14235454341124 17794317926405 28470908682248 35588635852810 71177271705620 142354543411240