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120144421210 = 25111957485369
BaseRepresentation
bin110111111100100101…
…0100110000101011010
3102111010001220222011011
41233321022212011122
53432023432434320
6131105451524134
711452201505332
oct1577112460532
9374101828134
10120144421210
1146a534369a0
121b35015964a
13b4390b1bc8
145b5a5bc0c2
1531d29d205a
hex1bf92a615a

120144421210 has 32 divisors (see below), whose sum is σ = 248336798400. Its totient is φ = 41389464960.

The previous prime is 120144421193. The next prime is 120144421211. The reversal of 120144421210 is 12124441021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (120144421211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28740595 + ... + 28744774.

It is an arithmetic number, because the mean of its divisors is an integer number (7760524950).

Almost surely, 2120144421210 is an apocalyptic number.

120144421210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120144421210 is an abundant number, since it is smaller than the sum of its proper divisors (128192377190).

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

120144421210 is a wasteful number, since it uses less digits than its factorization.

120144421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57485406.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 120144421210 its reverse (12124441021), we get a palindrome (132268862231).

The spelling of 120144421210 in words is "one hundred twenty billion, one hundred forty-four million, four hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 190 209 418 1045 2090 57485369 114970738 287426845 574853690 632339059 1092222011 1264678118 2184444022 3161695295 5461110055 6323390590 10922220110 12014442121 24028884242 60072210605 120144421210