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19005414630400 = 2105211224772
BaseRepresentation
bin1000101001001000010101…
…11111001110010000000000
32111021220022000121210201101
410110210022333032100000
54442341042121133100
6104230544505544144
74001044614615202
oct424441277162000
974256260553641
1019005414630400
1160681730a8100
12216b462aa5054
13a7b283a3b713
14499c1cda8772
1522e593b7986a
hex11490afce400

19005414630400 has 297 divisors, whose sum is σ = 51803434856467. Its totient is φ = 6908269772800.

The previous prime is 19005414630361. The next prime is 19005414630443. The reversal of 19005414630400 is 403641450091.

The square root of 19005414630400 is 4359520.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 369547273216 + 18635867357184 = 607904^2 + 4316928^2 .

It is a super-2 number, since 2×190054146304002 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19005414630400.

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 26 ways as a sum of consecutive naturals, for example, 7672753962 + ... + 7672756438.

Almost surely, 219005414630400 is an apocalyptic number.

19005414630400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19005414630400 is the 4359520-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19005414630400

19005414630400 is an abundant number, since it is smaller than the sum of its proper divisors (32798020226067).

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

19005414630400 is an frugal number, since it uses more digits than its factorization.

19005414630400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 19005414630400 in words is "nineteen trillion, five billion, four hundred fourteen million, six hundred thirty thousand, four hundred".