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442141402220030 = 25103429263497301
BaseRepresentation
bin110010010001000000001000…
…1001110000100010111111110
32010222111022020112021000102202
41210202000101032010113332
5430423021042432020110
64204204542304351502
7162062443056363452
oct14442002116042776
92128438215230382
10442141402220030
1111897512aa50317
1241709b71015592
1315c929a85b6956
147b27a88130662
15361b1a4bcc0a5
hex19220113845fe

442141402220030 has 16 divisors (see below), whose sum is σ = 803581266949344. Its totient is φ = 175139506898400.

The previous prime is 442141402220027. The next prime is 442141402220039. The reversal of 442141402220030 is 30022204141244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442141402219975 and 442141402220002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442141402220039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214631747621 + ... + 214631749680.

It is an arithmetic number, because the mean of its divisors is an integer number (50223829184334).

Almost surely, 2442141402220030 is an apocalyptic number.

442141402220030 is a deficient number, since it is larger than the sum of its proper divisors (361439864729314).

442141402220030 is a wasteful number, since it uses less digits than its factorization.

442141402220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429263497411.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 442141402220030 its reverse (30022204141244), we get a palindrome (472163606361274).

The spelling of 442141402220030 in words is "four hundred forty-two trillion, one hundred forty-one billion, four hundred two million, two hundred twenty thousand, thirty".

Divisors: 1 2 5 10 103 206 515 1030 429263497301 858526994602 2146317486505 4292634973010 44214140222003 88428280444006 221070701110015 442141402220030