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442102040430 = 235110913288309
BaseRepresentation
bin1100110111011110101…
…01011100011101101110
31120021010211222121212120
412123233111130131232
524220411110243210
6535033205013410
743640462224401
oct6335725343556
91507124877776
10442102040430
11160549092536
12718230b4266
13328c80443bb
141757d9cbd38
15b777bec270
hex66ef55c76e

442102040430 has 32 divisors (see below), whose sum is σ = 1062001735200. Its totient is φ = 117787562112.

The previous prime is 442102040411. The next prime is 442102040431. The reversal of 442102040430 is 34040201244.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 442102040430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442102040431) 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, 6610885 + ... + 6677424.

It is an arithmetic number, because the mean of its divisors is an integer number (33187554225).

Almost surely, 2442102040430 is an apocalyptic number.

442102040430 is an abundant number, since it is smaller than the sum of its proper divisors (619899694770).

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

442102040430 is a wasteful number, since it uses less digits than its factorization.

442102040430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289428.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 442102040430 its reverse (34040201244), we get a palindrome (476142241674).

The spelling of 442102040430 in words is "four hundred forty-two billion, one hundred two million, forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1109 2218 3327 5545 6654 11090 16635 33270 13288309 26576618 39864927 66441545 79729854 132883090 199324635 398649270 14736734681 29473469362 44210204043 73683673405 88420408086 147367346810 221051020215 442102040430