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142211432343 = 31311912716991
BaseRepresentation
bin1000010001110001110…
…1100011111110010111
3111121001221220021121210
42010130131203332113
54312222111313333
6145155300312503
713163063141631
oct2043435437627
9447057807553
10142211432343
1155347711a82
122368a3a2733
1310544a97146
146c51203a51
153a74e4aa63
hex211c763f97

142211432343 has 32 divisors (see below), whose sum is σ = 192799309824. Its totient is φ = 93232620000.

The previous prime is 142211432303. The next prime is 142211432347. The reversal of 142211432343 is 343234112241.

It is not a de Polignac number, because 142211432343 - 213 = 142211424151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142211432343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142211432347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20338578 + ... + 20345568.

It is an arithmetic number, because the mean of its divisors is an integer number (6024978432).

Almost surely, 2142211432343 is an apocalyptic number.

142211432343 is a deficient number, since it is larger than the sum of its proper divisors (50587877481).

142211432343 is a wasteful number, since it uses less digits than its factorization.

142211432343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587.

The product of its digits is 13824, while the sum is 30.

Adding to 142211432343 its reverse (343234112241), we get a palindrome (485445544584).

The spelling of 142211432343 in words is "one hundred forty-two billion, two hundred eleven million, four hundred thirty-two thousand, three hundred forty-three".

Divisors: 1 3 131 191 271 393 573 813 6991 20973 25021 35501 51761 75063 106503 155283 915821 1335281 1894561 2747463 4005843 5683683 6780691 20342073 174921811 248187491 361861151 524765433 744562473 1085583453 47403810781 142211432343