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20044513187148 = 22317342592267047
BaseRepresentation
bin1001000111010111110100…
…00101101001010101001100
32121222020101120212201000210
410203223322011221111030
510111402130333442043
6110344153334122420
74136111502615462
oct443537205512514
977866346781023
1020044513187148
11642891515340a
1222b8916ab0410
13b252603a9228
144d4233da8832
1524b60cbb3633
hex123afa16954c

20044513187148 has 48 divisors (see below), whose sum is σ = 47051946466560. Its totient is φ = 6641320325184.

The previous prime is 20044513187117. The next prime is 20044513187269. The reversal of 20044513187148 is 84178131544002.

It is a junction number, because it is equal to n+sod(n) for n = 20044513187097 and 20044513187106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7708161 + ... + 9975207.

It is an arithmetic number, because the mean of its divisors is an integer number (980248884720).

Almost surely, 220044513187148 is an apocalyptic number.

It is an amenable number.

20044513187148 is an abundant number, since it is smaller than the sum of its proper divisors (27007433279412).

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

20044513187148 is a wasteful number, since it uses less digits than its factorization.

20044513187148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271486 (or 2271484 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 20044513187148 in words is "twenty trillion, forty-four billion, five hundred thirteen million, one hundred eighty-seven thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 4259 8518 12777 17036 25554 51108 736807 1473614 2210421 2267047 2947228 4420842 4534094 6801141 8841684 9068188 13602282 27204564 392199131 784398262 1176597393 1568796524 2353194786 4706389572 9655353173 19310706346 28966059519 38621412692 57932119038 115864238076 1670376098929 3340752197858 5011128296787 6681504395716 10022256593574 20044513187148