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143023203342 = 23219292497261
BaseRepresentation
bin1000010100110011011…
…0001110010000001110
3111200011112101112002100
42011030312032100032
54320402420001332
6145412015335530
713222151112135
oct2051466162016
9450145345070
10143023203342
11557239625a8
12238762215a6
131064400ba06
146ccad5491c
153ac134a67c
hex214cd8e40e

143023203342 has 72 divisors (see below), whose sum is σ = 337829857560. Its totient is φ = 43607712960.

The previous prime is 143023203329. The next prime is 143023203347. The reversal of 143023203342 is 243302320341.

143023203342 is a `hidden beast` number, since 1 + 4 + 3 + 0 + 2 + 320 + 334 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143023203347) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38992 + ... + 536252.

It is an arithmetic number, because the mean of its divisors is an integer number (4692081355).

Almost surely, 2143023203342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143023203342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168914928780).

143023203342 is an abundant number, since it is smaller than the sum of its proper divisors (194806654218).

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

143023203342 is a wasteful number, since it uses less digits than its factorization.

143023203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497346 (or 497314 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 143023203342 its reverse (243302320341), we get a palindrome (386325523683).

The spelling of 143023203342 in words is "one hundred forty-three billion, twenty-three million, two hundred three thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 19 29 38 57 58 87 114 171 174 261 342 522 551 841 1102 1653 1682 2523 3306 4959 5046 7569 9918 15138 15979 31958 47937 95874 143811 287622 497261 994522 1491783 2983566 4475349 8950698 9447959 14420569 18895918 28343877 28841138 43261707 56687754 85031631 86523414 129785121 170063262 259570242 273990811 418196501 547981622 821972433 836393002 1254589503 1643944866 2465917299 2509179006 3763768509 4931834598 7527537018 7945733519 15891467038 23837200557 47674401114 71511601671 143023203342