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142340831136 = 2532770605571
BaseRepresentation
bin1000010010010000101…
…1001011011110100000
3111121101222101102101200
42010210023023132200
54313003223044021
6145220202001200
713166224046610
oct2044413133640
9447358342350
10142340831136
1155403763229
12237057a6200
131056583208a
146c64488a40
153a814ab126
hex21242cb7a0

142340831136 has 72 divisors (see below), whose sum is σ = 462607707744. Its totient is φ = 40668808320.

The previous prime is 142340831077. The next prime is 142340831201. The reversal of 142340831136 is 631138043241.

142340831136 is a `hidden beast` number, since 1 + 423 + 40 + 83 + 113 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 142340831136.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35300770 + ... + 35304801.

It is an arithmetic number, because the mean of its divisors is an integer number (6425107052).

Almost surely, 2142340831136 is an apocalyptic number.

142340831136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142340831136 is an abundant number, since it is smaller than the sum of its proper divisors (320266876608).

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

142340831136 is a wasteful number, since it uses less digits than its factorization.

142340831136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70605594 (or 70605583 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 142340831136 its reverse (631138043241), we get a palindrome (773478874377).

The spelling of 142340831136 in words is "one hundred forty-two billion, three hundred forty million, eight hundred thirty-one thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 70605571 141211142 211816713 282422284 423633426 494238997 564844568 635450139 847266852 988477994 1129689136 1270900278 1482716991 1694533704 1976955988 2259378272 2541800556 2965433982 3389067408 3953911976 4448150973 5083601112 5930867964 6778134816 7907823952 8896301946 10167202224 11861735928 15815647904 17792603892 20334404448 23723471856 35585207784 47446943712 71170415568 142340831136