Search a number
-
+
12626850889728 = 2143352354577
BaseRepresentation
bin1011011110111110101011…
…1101100100000000000000
31122201010002221121200111000
42313233222331210000000
53123334242311432403
642504410100052000
72442155064450615
oct267575275440000
948633087550430
1012626850889728
114029021167259
1214bb202994000
13707926180a0a
143191ddd6c50c
1516d6c01bc7a3
hexb7beaf64000

12626850889728 has 240 divisors, whose sum is σ = 37483969552960. Its totient is φ = 4200825618432.

The previous prime is 12626850889691. The next prime is 12626850889841. The reversal of 12626850889728 is 82798805862621.

It is a happy number.

12626850889728 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 6 + 8 + 508 + 8 + 97 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 231331176 + ... + 231385752.

Almost surely, 212626850889728 is an apocalyptic number.

12626850889728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12626850889728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18741984776480).

12626850889728 is an abundant number, since it is smaller than the sum of its proper divisors (24857118663232).

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

12626850889728 is an frugal number, since it uses more digits than its factorization.

12626850889728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55137 (or 55105 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 72.

The spelling of 12626850889728 in words is "twelve trillion, six hundred twenty-six billion, eight hundred fifty million, eight hundred eighty-nine thousand, seven hundred twenty-eight".