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12471235365352 = 231558904420669
BaseRepresentation
bin1011010101111010111110…
…0011011100100111101000
31122011020102211112222100011
42311132233203130213220
53113312042223142402
642305112331221304
72425005560354311
oct265365743344750
948136384488304
1012471235365352
113a7902626a575
1214950135a7834
136c605639cb8a
1431187a891608
151696135eded7
hexb57af8dc9e8

12471235365352 has 8 divisors (see below), whose sum is σ = 23383566310050. Its totient is φ = 6235617682672.

The previous prime is 12471235365313. The next prime is 12471235365353. The reversal of 12471235365352 is 25356353217421.

It can be written as a sum of positive squares in only one way, i.e., 11393554688356 + 1077680676996 = 3375434^2 + 1038114^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 12471235365296 and 12471235365305.

It is not an unprimeable number, because it can be changed into a prime (12471235365353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779452210327 + ... + 779452210342.

Almost surely, 212471235365352 is an apocalyptic number.

It is an amenable number.

12471235365352 is a deficient number, since it is larger than the sum of its proper divisors (10912330944698).

12471235365352 is a wasteful number, since it uses less digits than its factorization.

12471235365352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558904420675 (or 1558904420671 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 49.

The spelling of 12471235365352 in words is "twelve trillion, four hundred seventy-one billion, two hundred thirty-five million, three hundred sixty-five thousand, three hundred fifty-two".

Divisors: 1 2 4 8 1558904420669 3117808841338 6235617682676 12471235365352