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142311112446 = 2382799286459
BaseRepresentation
bin1000010010001001100…
…1110011111011111110
3111121022220110120000110
42010202121303323332
54312423121044241
6145213221010450
713165413332316
oct2044231637376
9447286416013
10142311112446
1155398a05128
12236b7853a26
131055c628159
146c60550446
153a7da8a816
hex2122673efe

142311112446 has 16 divisors (see below), whose sum is σ = 284626656000. Its totient is φ = 47436298968.

The previous prime is 142311112439. The next prime is 142311112459. The reversal of 142311112446 is 644211113241.

It is a super-2 number, since 2×1423111124462 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353565 + ... + 640023.

It is an arithmetic number, because the mean of its divisors is an integer number (17789166000).

Almost surely, 2142311112446 is an apocalyptic number.

142311112446 is an abundant number, since it is smaller than the sum of its proper divisors (142315543554).

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

142311112446 is a wasteful number, since it uses less digits than its factorization.

142311112446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369263.

The product of its digits is 4608, while the sum is 30.

Adding to 142311112446 its reverse (644211113241), we get a palindrome (786522225687).

The spelling of 142311112446 in words is "one hundred forty-two billion, three hundred eleven million, one hundred twelve thousand, four hundred forty-six".

Divisors: 1 2 3 6 82799 165598 248397 286459 496794 572918 859377 1718754 23718518741 47437037482 71155556223 142311112446