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13405424212342 = 211821567017351
BaseRepresentation
bin1100001100010011000110…
…0011000101100101110110
31202110112202001200102202201
43003010301203011211312
53224113302044243332
644302211124255114
72552336623503511
oct303046143054566
952415661612681
1013405424212342
1142a9232542108
12160608954149a
13763183cc3456
14344b7c753d78
15183a8c37e5e7
hexc31318c5976

13405424212342 has 8 divisors (see below), whose sum is σ = 20109837406032. Its totient is φ = 6702145077000.

The previous prime is 13405424212319. The next prime is 13405424212343. The reversal of 13405424212342 is 24321242450431.

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

It is a super-2 number, since 2×134054242123422 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405424212343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283485034 + ... + 283532317.

It is an arithmetic number, because the mean of its divisors is an integer number (2513729675754).

Almost surely, 213405424212342 is an apocalyptic number.

13405424212342 is a deficient number, since it is larger than the sum of its proper divisors (6704413193690).

13405424212342 is a wasteful number, since it uses less digits than its factorization.

13405424212342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567029174.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 13405424212342 its reverse (24321242450431), we get a palindrome (37726666662773).

The spelling of 13405424212342 in words is "thirteen trillion, four hundred five billion, four hundred twenty-four million, two hundred twelve thousand, three hundred forty-two".

Divisors: 1 2 11821 23642 567017351 1134034702 6702712106171 13405424212342