Search a number
-
+
122000554240 = 28595312933
BaseRepresentation
bin111000110011111001…
…1001011100100000000
3102122220102120021222221
41301213303023210000
53444324120213430
6132013555140424
711546200413025
oct1614763134400
9378812507887
10122000554240
1147816150134
121b7898a4714
13b6737c6a86
145c94d0754c
15329092757a
hex1c67ccb900

122000554240 has 36 divisors (see below), whose sum is σ = 292229455644. Its totient is φ = 48800221184.

The previous prime is 122000554211. The next prime is 122000554253. The reversal of 122000554240 is 42455000221.

It can be written as a sum of positive squares in 2 ways, for example, as 91097726976 + 30902827264 = 301824^2 + 175792^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47655187 + ... + 47657746.

It is an arithmetic number, because the mean of its divisors is an integer number (8117484879).

Almost surely, 2122000554240 is an apocalyptic number.

122000554240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000554240 is an abundant number, since it is smaller than the sum of its proper divisors (170228901404).

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

122000554240 is an frugal number, since it uses more digits than its factorization.

122000554240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95312954 (or 95312940 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 122000554240 its reverse (42455000221), we get a palindrome (164455554461).

The spelling of 122000554240 in words is "one hundred twenty-two billion, five hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 95312933 190625866 381251732 476564665 762503464 953129330 1525006928 1906258660 3050013856 3812517320 6100027712 7625034640 12200055424 15250069280 24400110848 30500138560 61000277120 122000554240