Search a number
-
+
120501071872 = 212136721521
BaseRepresentation
bin111000000111001101…
…1000111000000000000
3102112000221000200212221
41300032123013000000
53433241233244442
6131205112100424
711464062132226
oct1601633070000
9375027020787
10120501071872
1147116793905
121b42b694714
13b494c562bc
145b91adab16
153203e81467
hex1c0e6c7000

120501071872 has 52 divisors (see below), whose sum is σ = 241160208336. Its totient is φ = 60203663360.

The previous prime is 120501071861. The next prime is 120501071903. The reversal of 120501071872 is 278170105021.

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 3 ways as a sum of consecutive naturals, for example, 5588472 + ... + 5609992.

Almost surely, 2120501071872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120501071872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120580104168).

120501071872 is an abundant number, since it is smaller than the sum of its proper divisors (120659136464).

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

120501071872 is an equidigital number, since it uses as much as digits as its factorization.

120501071872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22912 (or 22890 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 34.

Adding to 120501071872 its reverse (278170105021), we get a palindrome (398671176893).

The spelling of 120501071872 in words is "one hundred twenty billion, five hundred one million, seventy-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 1367 2048 2734 4096 5468 10936 21521 21872 43042 43744 86084 87488 172168 174976 344336 349952 688672 699904 1377344 1399808 2754688 2799616 5509376 5599232 11018752 22037504 29419207 44075008 58838414 88150016 117676828 235353656 470707312 941414624 1882829248 3765658496 7531316992 15062633984 30125267968 60250535936 120501071872