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13278980400 = 2435272534261
BaseRepresentation
bin11000101110111110…
…10010100100110000
31021021102202002121220
430113133102210300
5204143404333100
610033354345040
7650031320400
oct142737224460
937242662556
1013278980400
1156a4702574
1226a712b180
13133812026a
148dd82a800
1552abacaa0
hex3177d2930

13278980400 has 360 divisors, whose sum is σ = 50427267984. Its totient is φ = 2977228800.

The previous prime is 13278980399. The next prime is 13278980437. The reversal of 13278980400 is 408987231.

13278980400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3114270 + ... + 3118530.

Almost surely, 213278980400 is an apocalyptic number.

13278980400 is a gapful number since it is divisible by the number (10) 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 13278980400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25213633992).

13278980400 is an abundant number, since it is smaller than the sum of its proper divisors (37148287584).

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

13278980400 is a wasteful number, since it uses less digits than its factorization.

13278980400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 13278980400 in words is "thirteen billion, two hundred seventy-eight million, nine hundred eighty thousand, four hundred".