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19125684048 = 2431660723993
BaseRepresentation
bin10001110011111110…
…101100011101010000
31211100220100102020110
4101303332230131100
5303132133342143
612441453441320
71244644426542
oct216376543520
954326312213
1019125684048
118124a4a559
1238591a0240
131a5a504913
14cd6133692
1576e114533
hex473fac750

19125684048 has 40 divisors (see below), whose sum is σ = 49413051648. Its totient is φ = 6374578432.

The previous prime is 19125684041. The next prime is 19125684049. The reversal of 19125684048 is 84048652191.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 19125683988 and 19125684006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19125684041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785140 + ... + 809132.

Almost surely, 219125684048 is an apocalyptic number.

It is an amenable number.

19125684048 is an abundant number, since it is smaller than the sum of its proper divisors (30287367600).

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

19125684048 is a wasteful number, since it uses less digits than its factorization.

19125684048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40611 (or 40605 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 19125684048 in words is "nineteen billion, one hundred twenty-five million, six hundred eighty-four thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 16607 23993 33214 47986 49821 66428 71979 95972 99642 132856 143958 191944 199284 265712 287916 383888 398568 575832 797136 1151664 398451751 796903502 1195355253 1593807004 2390710506 3187614008 4781421012 6375228016 9562842024 19125684048