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19425256054704 = 243619201743457
BaseRepresentation
bin1000110101010110010110…
…11111001001111110110000
32112210000222111022222000000
410122223023133021332300
510021230411022222304
6105151501152430000
74043266645055253
oct432531337117660
975700874288000
1019425256054704
11620a22869a225
1222188b2b48300
13aaba41c422c6
144b228a37509a
1523a467418939
hex11aacb7c9fb0

19425256054704 has 280 divisors, whose sum is σ = 59429592029040. Its totient is φ = 6131109003264.

The previous prime is 19425256054601. The next prime is 19425256054741. The reversal of 19425256054704 is 40745065252491.

19425256054704 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 5 + 2 + 560 + 5 + 4 + 70 + 4 = 666.

It is a super-2 number, since 2×194252560547042 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 446977744 + ... + 447021200.

Almost surely, 219425256054704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19425256054704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29714796014520).

19425256054704 is an abundant number, since it is smaller than the sum of its proper divisors (40004335974336).

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

19425256054704 is a wasteful number, since it uses less digits than its factorization.

19425256054704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45519 (or 45498 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 54.

The spelling of 19425256054704 in words is "nineteen trillion, four hundred twenty-five billion, two hundred fifty-six million, fifty-four thousand, seven hundred four".