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19234634848 = 2511134203373
BaseRepresentation
bin10001111010011110…
…010011110001100000
31211122111100200122021
4101322132103301200
5303343031303343
612500344551224
71250436461422
oct217236236140
954574320567
1019234634848
1181804a4940
123889782514
131a76c60550
14d067b4812
157789860ed
hex47a793c60

19234634848 has 48 divisors (see below), whose sum is σ = 44488510416. Its totient is φ = 8070474240.

The previous prime is 19234634843. The next prime is 19234634849. The reversal of 19234634848 is 84843643291.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 19234634795 and 19234634804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19234634843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2097111 + ... + 2106262.

It is an arithmetic number, because the mean of its divisors is an integer number (926843967).

Almost surely, 219234634848 is an apocalyptic number.

It is an amenable number.

19234634848 is an abundant number, since it is smaller than the sum of its proper divisors (25253875568).

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

19234634848 is a wasteful number, since it uses less digits than its factorization.

19234634848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203407 (or 4203399 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 52.

The spelling of 19234634848 in words is "nineteen billion, two hundred thirty-four million, six hundred thirty-four thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 88 104 143 176 208 286 352 416 572 1144 2288 4576 4203373 8406746 16813492 33626984 46237103 54643849 67253968 92474206 109287698 134507936 184948412 218575396 369896824 437150792 601082339 739793648 874301584 1202164678 1479587296 1748603168 2404329356 4808658712 9617317424 19234634848