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2145335564050 = 252721723897789
BaseRepresentation
bin11111001101111111111…
…101101101011100010010
321121002111010100110121121
4133031333331231130102
5240122121401022200
64321315322312454
7310665262262500
oct37157775553422
97532433313547
102145335564050
11757916aa7198
122a794465872a
131273c5655453
1475b9896d670
153ac1233be1a
hex1f37ff6d712

2145335564050 has 216 divisors, whose sum is σ = 4944225206700. Its totient is φ = 690408069120.

The previous prime is 2145335563849. The next prime is 2145335564059. The reversal of 2145335564050 is 504655335412.

It can be written as a sum of positive squares in 18 ways, for example, as 7812615321 + 2137522948729 = 88389^2 + 1462027^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2145335563988 and 2145335564006.

It is not an unprimeable number, because it can be changed into a prime (2145335564059) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 275427556 + ... + 275435344.

Almost surely, 22145335564050 is an apocalyptic number.

2145335564050 is an abundant number, since it is smaller than the sum of its proper divisors (2798889642650).

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

2145335564050 is a wasteful number, since it uses less digits than its factorization.

2145335564050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8209 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

The spelling of 2145335564050 in words is "two trillion, one hundred forty-five billion, three hundred thirty-five million, five hundred sixty-four thousand, fifty".