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122130530140 = 2256106526507
BaseRepresentation
bin111000110111110001…
…0111111111101011100
3102200020111010202102011
41301233202333331130
54000110403431030
6132034521041004
711552336243353
oct1615742777534
9380214122364
10122130530140
1147882555a33
121b805326164
13b6947045a8
145ca829c99a
15329c04db2a
hex1c6f8bff5c

122130530140 has 12 divisors (see below), whose sum is σ = 256474113336. Its totient is φ = 48852212048.

The previous prime is 122130530129. The next prime is 122130530147. The reversal of 122130530140 is 41035031221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130530147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3053263234 + ... + 3053263273.

It is an arithmetic number, because the mean of its divisors is an integer number (21372842778).

Almost surely, 2122130530140 is an apocalyptic number.

122130530140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122130530140 is an abundant number, since it is smaller than the sum of its proper divisors (134343583196).

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

122130530140 is a wasteful number, since it uses less digits than its factorization.

122130530140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106526516 (or 6106526514 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 122130530140 its reverse (41035031221), we get a palindrome (163165561361).

The spelling of 122130530140 in words is "one hundred twenty-two billion, one hundred thirty million, five hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6106526507 12213053014 24426106028 30532632535 61065265070 122130530140