Search a number
-
+
19069868052 = 22322632014139
BaseRepresentation
bin10001110000101001…
…110001100000010100
31211020000022200002100
4101300221301200110
5303023341234202
612432141242100
71243366126644
oct216051614024
954200280070
1019069868052
1180a6497134
123842563330
131a4ba911c1
14ccc964524
1576928b41c
hex470a71814

19069868052 has 36 divisors (see below), whose sum is σ = 48387699360. Its totient is φ = 6332449872.

The previous prime is 19069868021. The next prime is 19069868089. The reversal of 19069868052 is 25086896091.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19069868052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997602 + ... + 1016537.

It is an arithmetic number, because the mean of its divisors is an integer number (1344102760).

Almost surely, 219069868052 is an apocalyptic number.

19069868052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19069868052 is an abundant number, since it is smaller than the sum of its proper divisors (29317831308).

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

19069868052 is a wasteful number, since it uses less digits than its factorization.

19069868052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014412 (or 2014407 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 19069868052 in words is "nineteen billion, sixty-nine million, eight hundred sixty-eight thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 263 526 789 1052 1578 2367 3156 4734 9468 2014139 4028278 6042417 8056556 12084834 18127251 24169668 36254502 72509004 529718557 1059437114 1589155671 2118874228 3178311342 4767467013 6356622684 9534934026 19069868052