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19230112148 = 22133591030111
BaseRepresentation
bin10001111010001101…
…000011100110010100
31211122011211220122212
4101322031003212110
5303340402042043
612500104012552
71250353153622
oct217215034624
954564756585
1019230112148
118178995975
123888161158
131a76038ab0
14d05d58512
15778391018
hex47a343994

19230112148 has 24 divisors (see below), whose sum is σ = 36342351360. Its totient is φ = 8850705120.

The previous prime is 19230112147. The next prime is 19230112151. The reversal of 19230112148 is 84121103291.

It is a super-3 number, since 3×192301121483 (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19230112147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496388 + ... + 533723.

It is an arithmetic number, because the mean of its divisors is an integer number (1514264640).

Almost surely, 219230112148 is an apocalyptic number.

It is an amenable number.

19230112148 is a deficient number, since it is larger than the sum of its proper divisors (17112239212).

19230112148 is a wasteful number, since it uses less digits than its factorization.

19230112148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030487 (or 1030485 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The spelling of 19230112148 in words is "nineteen billion, two hundred thirty million, one hundred twelve thousand, one hundred forty-eight".

Divisors: 1 2 4 13 26 52 359 718 1436 4667 9334 18668 1030111 2060222 4120444 13391443 26782886 53565772 369809849 739619698 1479239396 4807528037 9615056074 19230112148