Search a number
-
+
19932075120 = 2435409203057
BaseRepresentation
bin10010100100000010…
…110101010001110000
31220110002201022211110
4102210002311101300
5311310102400440
613053501313320
71303635562116
oct224402652160
956402638743
1019932075120
1184a9156061
123a43265840
131b585b47b9
14d71283ab6
157b9d00080
hex4a40b5470

19932075120 has 80 divisors (see below), whose sum is σ = 61940812320. Its totient is φ = 5302198272.

The previous prime is 19932075083. The next prime is 19932075127. The reversal of 19932075120 is 2157023991.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19932075127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3369 + ... + 199688.

It is an arithmetic number, because the mean of its divisors is an integer number (774260154).

Almost surely, 219932075120 is an apocalyptic number.

19932075120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19932075120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30970406160).

19932075120 is an abundant number, since it is smaller than the sum of its proper divisors (42008737200).

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

19932075120 is a wasteful number, since it uses less digits than its factorization.

19932075120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203482 (or 203476 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The spelling of 19932075120 in words is "nineteen billion, nine hundred thirty-two million, seventy-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 409 818 1227 1636 2045 2454 3272 4090 4908 6135 6544 8180 9816 12270 16360 19632 24540 32720 49080 98160 203057 406114 609171 812228 1015285 1218342 1624456 2030570 2436684 3045855 3248912 4061140 4873368 6091710 8122280 9746736 12183420 16244560 24366840 48733680 83050313 166100626 249150939 332201252 415251565 498301878 664402504 830503130 996603756 1245754695 1328805008 1661006260 1993207512 2491509390 3322012520 3986415024 4983018780 6644025040 9966037560 19932075120