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122230620160 = 2145111779101
BaseRepresentation
bin111000111010110000…
…0110100000000000000
3102200111110110212002221
41301311200310000000
54000312014321120
6132052454220424
711554663062115
oct1616540640000
9380443425087
10122230620160
1147923aa9060
121b832954714
13b6ac37a05c
145cb76b490c
1532a5c200aa
hex1c75834000

122230620160 has 480 divisors, whose sum is σ = 346522821120. Its totient is φ = 40894464000.

The previous prime is 122230620157. The next prime is 122230620167. The reversal of 122230620160 is 61026032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230620167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1210204110 + ... + 1210204210.

It is an arithmetic number, because the mean of its divisors is an integer number (721922544).

Almost surely, 2122230620160 is an apocalyptic number.

122230620160 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 122230620160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173261410560).

122230620160 is an abundant number, since it is smaller than the sum of its proper divisors (224292200960).

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

122230620160 is a wasteful number, since it uses less digits than its factorization.

122230620160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 122230620160 its reverse (61026032221), we get a palindrome (183256652381).

The spelling of 122230620160 in words is "one hundred twenty-two billion, two hundred thirty million, six hundred twenty thousand, one hundred sixty".