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124442221120 = 265755554563
BaseRepresentation
bin111001111100101010…
…1011001101001000000
3102220012120222211021121
41303321111121221000
54014324202033440
6133100140402024
711663536266250
oct1637125315100
9386176884247
10124442221120
1148859431648
122014b546314
13b972610b89
1460472d1960
153384e7e34a
hex1cf9559a40

124442221120 has 56 divisors (see below), whose sum is σ = 338660622144. Its totient is φ = 42665903616.

The previous prime is 124442221103. The next prime is 124442221133. The reversal of 124442221120 is 21122244421.

It is a tau number, because it is divible by the number of its divisors (56).

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, 27775042 + ... + 27779521.

Almost surely, 2124442221120 is an apocalyptic number.

124442221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124442221120 is an abundant number, since it is smaller than the sum of its proper divisors (214218401024).

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

124442221120 is an equidigital number, since it uses as much as digits as its factorization.

124442221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55554587 (or 55554577 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 124442221120 its reverse (21122244421), we get a palindrome (145564465541).

The spelling of 124442221120 in words is "one hundred twenty-four billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 55554563 111109126 222218252 277772815 388881941 444436504 555545630 777763882 888873008 1111091260 1555527764 1777746016 1944409705 2222182520 3111055528 3555492032 3888819410 4444365040 6222111056 7777638820 8888730080 12444222112 15555277640 17777460160 24888444224 31110555280 62221110560 124442221120