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12468477486421 = 111171967974341
BaseRepresentation
bin1011010101110000101100…
…1010111110010101010101
31122010222022122010012200001
42311130023022332111111
53113240420214031141
642303534532251301
72424550331650045
oct265341312762525
948128278105601
1012468477486421
113a77940541290
121494583a70b31
136c5a06bcca58
143116984b3725
15169501434a31
hexb570b2be555

12468477486421 has 8 divisors (see below), whose sum is σ = 13613591145888. Its totient is φ = 11325299778000.

The previous prime is 12468477486391. The next prime is 12468477486433.

12468477486421 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12468477486421 - 25 = 12468477486389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12468477886421) 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, 483974290 + ... + 484000051.

It is an arithmetic number, because the mean of its divisors is an integer number (1701698893236).

Almost surely, 212468477486421 is an apocalyptic number.

12468477486421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12468477486421 is a deficient number, since it is larger than the sum of its proper divisors (1145113659467).

12468477486421 is a wasteful number, since it uses less digits than its factorization.

12468477486421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967975523.

The product of its digits is 115605504, while the sum is 64.

The spelling of 12468477486421 in words is "twelve trillion, four hundred sixty-eight billion, four hundred seventy-seven million, four hundred eighty-six thousand, four hundred twenty-one".

Divisors: 1 11 1171 12881 967974341 10647717751 1133497953311 12468477486421