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12142211530405 = 511435134127497
BaseRepresentation
bin1011000010110001010000…
…1101000111111010100101
31120222210011121011100221011
42300230110031013322211
53042414222122433110
641454015512422221
72362150215043225
oct260542415077245
946883147140834
1012142211530405
113961534953520
1214412aa0a7971
136a100c4bc548
142dd986c0a085
15160ca7d8a48a
hexb0b14347ea5

12142211530405 has 16 divisors (see below), whose sum is σ = 16264915913664. Its totient is φ = 8625334193280.

The previous prime is 12142211530391. The next prime is 12142211530457. The reversal of 12142211530405 is 50403511224121.

It is not a de Polignac number, because 12142211530405 - 29 = 12142211529893 is a prime.

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, 2567061384 + ... + 2567066113.

It is an arithmetic number, because the mean of its divisors is an integer number (1016557244604).

Almost surely, 212142211530405 is an apocalyptic number.

It is an amenable number.

12142211530405 is a deficient number, since it is larger than the sum of its proper divisors (4122704383259).

12142211530405 is a wasteful number, since it uses less digits than its factorization.

12142211530405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134127556.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 12142211530405 its reverse (50403511224121), we get a palindrome (62545722754526).

The spelling of 12142211530405 in words is "twelve trillion, one hundred forty-two billion, two hundred eleven million, five hundred thirty thousand, four hundred five".

Divisors: 1 5 11 43 55 215 473 2365 5134127497 25670637485 56475402467 220767482371 282377012335 1103837411855 2428442306081 12142211530405