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13404400000 = 2755233147
BaseRepresentation
bin11000111101111011…
…01110100110000000
31021121011202001222021
430132331232212000
5204423011300000
610054034451224
7653113343245
oct143675564600
937534661867
1013404400000
115759486132
122721133b14
1313580c3c44
149123575cc
15536bd411a
hex31ef6e980

13404400000 has 384 divisors, whose sum is σ = 36717649920. Its totient is φ = 4857600000.

The previous prime is 13404399979. The next prime is 13404400021. The reversal of 13404400000 is 440431.

It is an interprime number because it is at equal distance from previous prime (13404399979) and next prime (13404400021).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285199977 + ... + 285200023.

It is an arithmetic number, because the mean of its divisors is an integer number (95618880).

Almost surely, 213404400000 is an apocalyptic number.

13404400000 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 13404400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18358824960).

13404400000 is an abundant number, since it is smaller than the sum of its proper divisors (23313249920).

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

13404400000 is an frugal number, since it uses more digits than its factorization.

13404400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 13404400000 its reverse (440431), we get a palindrome (13404840431).

The spelling of 13404400000 in words is "thirteen billion, four hundred four million, four hundred thousand".