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13247231964988 = 2271009468895369
BaseRepresentation
bin1100000011000101110010…
…0011100011011100111100
31201220102102101001122012111
43000301130203203130330
53214020312340334423
644101405551343404
72535036520544260
oct300613443433474
951812371048174
1013247231964988
1142481350a92aa
12159b49b221b64
1375129342c568
1433b252d740a0
1517e8ce47c60d
hexc0c5c8e373c

13247231964988 has 24 divisors (see below), whose sum is σ = 26520722127200. Its totient is φ = 5671758371328.

The previous prime is 13247231964983. The next prime is 13247231965003. The reversal of 13247231964988 is 88946913274231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247231964983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234419433 + ... + 234475936.

Almost surely, 213247231964988 is an apocalyptic number.

It is an amenable number.

13247231964988 is an abundant number, since it is smaller than the sum of its proper divisors (13273490162212).

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

13247231964988 is a wasteful number, since it uses less digits than its factorization.

13247231964988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468896389 (or 468896387 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 67.

The spelling of 13247231964988 in words is "thirteen trillion, two hundred forty-seven billion, two hundred thirty-one million, nine hundred sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 1009 2018 4036 7063 14126 28252 468895369 937790738 1875581476 3282267583 6564535166 13129070332 473115427321 946230854642 1892461709284 3311807991247 6623615982494 13247231964988