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1244430330442 = 21347862705017
BaseRepresentation
bin10010000110111101110…
…100111110101001001010
311101222002111012202022121
4102012331310332221022
5130342043131033232
62351403340441454
7155623100165065
oct22067564765112
94358074182277
101244430330442
1143a83a52aa52
1218121924928a
139047048c770
14443332678dc
15225855ecd97
hex121bdd3ea4a

1244430330442 has 8 divisors (see below), whose sum is σ = 2010233610756. Its totient is φ = 574352460192.

The previous prime is 1244430330427. The next prime is 1244430330523. The reversal of 1244430330442 is 2440330344421.

It can be written as a sum of positive squares in 2 ways, for example, as 1240949212441 + 3481118001 = 1113979^2 + 59001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1244430330398 and 1244430330407.

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, 23931352483 + ... + 23931352534.

Almost surely, 21244430330442 is an apocalyptic number.

1244430330442 is a deficient number, since it is larger than the sum of its proper divisors (765803280314).

1244430330442 is a wasteful number, since it uses less digits than its factorization.

1244430330442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47862705032.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 1244430330442 its reverse (2440330344421), we get a palindrome (3684760674863).

The spelling of 1244430330442 in words is "one trillion, two hundred forty-four billion, four hundred thirty million, three hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 13 26 47862705017 95725410034 622215165221 1244430330442