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122142033220 = 22560710061123
BaseRepresentation
bin111000111000000111…
…0111000010101000100
3102200021021210011200011
41301300032320111010
54000121330030340
6132040011400004
711552536103134
oct1616016702504
9380237704604
10122142033220
1147888aa2409
121b809153004
13b696c0134c
145ca9a14ac4
15329d0720ea
hex1c703b8544

122142033220 has 24 divisors (see below), whose sum is σ = 256920862464. Its totient is φ = 48776319456.

The previous prime is 122142033191. The next prime is 122142033239. The reversal of 122142033220 is 22330241221.

It is a junction number, because it is equal to n+sod(n) for n = 122142033191 and 122142033200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018422 + ... + 5042701.

It is an arithmetic number, because the mean of its divisors is an integer number (10705035936).

Almost surely, 2122142033220 is an apocalyptic number.

122142033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122142033220 is an abundant number, since it is smaller than the sum of its proper divisors (134778829244).

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

122142033220 is a wasteful number, since it uses less digits than its factorization.

122142033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061739 (or 10061737 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 122142033220 its reverse (22330241221), we get a palindrome (144472274441).

The spelling of 122142033220 in words is "one hundred twenty-two billion, one hundred forty-two million, thirty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 607 1214 2428 3035 6070 12140 10061123 20122246 40244492 50305615 100611230 201222460 6107101661 12214203322 24428406644 30535508305 61071016610 122142033220