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404052000000000 = 211359113061
BaseRepresentation
bin101101111011110111010111…
…1111011100100100000000000
31221222121222211121010111220220
41123313232233323210200000
5410424441444000000000
63551202532025303040
7151051536140433132
oct13367565773444000
91858558747114826
10404052000000000
1110781a544427980
1239397b99334a80
131445bc2b560551
1471ac314b73052
1531aa4be3411a0
hex16f7bafee4800

404052000000000 has 960 divisors, whose sum is σ = 1469401021408320. Its totient is φ = 97920000000000.

The previous prime is 404051999999971. The next prime is 404052000000007. The reversal of 404052000000000 is 250404.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (404052000000007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 131999998470 + ... + 132000001530.

It is an arithmetic number, because the mean of its divisors is an integer number (1530626063967).

Almost surely, 2404052000000000 is an apocalyptic number.

404052000000000 is a gapful number since it is divisible by the number (40) 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 404052000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (734700510704160).

404052000000000 is an abundant number, since it is smaller than the sum of its proper divisors (1065349021408320).

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

404052000000000 is an frugal number, since it uses more digits than its factorization.

404052000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142 (or 3082 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

Adding to 404052000000000 its reverse (250404), we get a palindrome (404052000250404).

The spelling of 404052000000000 in words is "four hundred four trillion, fifty-two billion", and thus it is an aban number.