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1420440230410 = 25173821063717
BaseRepresentation
bin10100101010111000110…
…101011101101000001010
312000210101220220002022121
4110222320311131220022
5141233030144333120
63004312523441454
7204423555513355
oct24527065355012
95023356802277
101420440230410
114a845052a9a3
121ab35a68628a
13a3c4056a776
144ca6d16929c
1526e378895aa
hex14ab8d5da0a

1420440230410 has 16 divisors (see below), whose sum is σ = 2571571564776. Its totient is φ = 564891836608.

The previous prime is 1420440230381. The next prime is 1420440230411. The reversal of 1420440230410 is 140320440241.

It can be written as a sum of positive squares in 4 ways, for example, as 1290934533249 + 129505697161 = 1136193^2 + 359869^2 .

It is not an unprimeable number, because it can be changed into a prime (1420440230411) 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, 410530129 + ... + 410533588.

Almost surely, 21420440230410 is an apocalyptic number.

1420440230410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420440230410 is a deficient number, since it is larger than the sum of its proper divisors (1151131334366).

1420440230410 is a wasteful number, since it uses less digits than its factorization.

1420440230410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821063897.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1420440230410 its reverse (140320440241), we get a palindrome (1560760670651).

The spelling of 1420440230410 in words is "one trillion, four hundred twenty billion, four hundred forty million, two hundred thirty thousand, four hundred ten".

Divisors: 1 2 5 10 173 346 865 1730 821063717 1642127434 4105318585 8210637170 142044023041 284088046082 710220115205 1420440230410