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442230430012240 = 2455527880375153
BaseRepresentation
bin110010010001101001100101…
…1101100001001001101010000
32010222210211001000202110012011
41210203103023230021031100
5430431000410040342430
64204313504355112304
7162102044212211122
oct14443231354111520
92128724030673164
10442230430012240
111189a99659002a1
12417232782a2694
1315c9b1c5b7cb3c
147b2c0d1c77212
15361d665a1722a
hex19234cbb09350

442230430012240 has 20 divisors (see below), whose sum is σ = 1028185749778644. Its totient is φ = 176892172004864.

The previous prime is 442230430012187. The next prime is 442230430012303. The reversal of 442230430012240 is 42210034032244.

It can be written as a sum of positive squares in 2 ways, for example, as 246494772823104 + 195735657189136 = 15700152^2 + 13990556^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2763940187497 + ... + 2763940187656.

Almost surely, 2442230430012240 is an apocalyptic number.

442230430012240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442230430012240 is an abundant number, since it is smaller than the sum of its proper divisors (585955319766404).

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

442230430012240 is a wasteful number, since it uses less digits than its factorization.

442230430012240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527880375166 (or 5527880375160 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 442230430012240 its reverse (42210034032244), we get a palindrome (484440464044484).

The spelling of 442230430012240 in words is "four hundred forty-two trillion, two hundred thirty billion, four hundred thirty million, twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 5527880375153 11055760750306 22111521500612 27639401875765 44223043001224 55278803751530 88446086002448 110557607503060 221115215006120 442230430012240