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42444424331430 = 23511128619467671
BaseRepresentation
bin10011010011010010111001…
…10101011100000010100110
312120021122110220120002111220
421221221130311130002212
521030402140112101210
6230134411021041210
711640336255041052
oct1151513465340246
9176248426502456
1042444424331430
1112584641013a50
12491601b9b6206
131a8b6520214c4
14a6a46d148c62
154d912471cc70
hex269a5cd5c0a6

42444424331430 has 32 divisors (see below), whose sum is σ = 111127220068608. Its totient is φ = 10289557413600.

The previous prime is 42444424331399. The next prime is 42444424331479. The reversal of 42444424331430 is 3413342444424.

It is a super-3 number, since 3×424444243314303 (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64309733506 + ... + 64309734165.

It is an arithmetic number, because the mean of its divisors is an integer number (3472725627144).

Almost surely, 242444424331430 is an apocalyptic number.

42444424331430 is an abundant number, since it is smaller than the sum of its proper divisors (68682795737178).

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

42444424331430 is a wasteful number, since it uses less digits than its factorization.

42444424331430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128619467692.

The product of its (nonzero) digits is 1769472, while the sum is 42.

Adding to 42444424331430 its reverse (3413342444424), we get a palindrome (45857766775854).

The spelling of 42444424331430 in words is "forty-two trillion, four hundred forty-four billion, four hundred twenty-four million, three hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 128619467671 257238935342 385858403013 643097338355 771716806026 1286194676710 1414814144381 1929292015065 2829628288762 3858584030130 4244442433143 7074070721905 8488884866286 14148141443810 21222212165715 42444424331430