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2148306363445 = 51125301766977
BaseRepresentation
bin11111010000110001000…
…010011010010000110101
321121101011011102201020211
4133100301002122100311
5240144212412112240
64322530205025421
7311132014536304
oct37206102322065
97541134381224
102148306363445
11759100a32800
122a8433555271
13127779c84808
1475d9b33443b
153ad38063bea
hex1f43109a435

2148306363445 has 24 divisors (see below), whose sum is σ = 2833729603992. Its totient is φ = 1562351831040.

The previous prime is 2148306363391. The next prime is 2148306363461. The reversal of 2148306363445 is 5443636038412.

It can be written as a sum of positive squares in 4 ways, for example, as 177039819121 + 1971266544324 = 420761^2 + 1404018^2 .

It is not a de Polignac number, because 2148306363445 - 27 = 2148306363317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32041797 + ... + 32108773.

It is an arithmetic number, because the mean of its divisors is an integer number (118072066833).

Almost surely, 22148306363445 is an apocalyptic number.

It is an amenable number.

2148306363445 is a deficient number, since it is larger than the sum of its proper divisors (685423240547).

2148306363445 is a wasteful number, since it uses less digits than its factorization.

2148306363445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120021 (or 120010 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 2148306363445 in words is "two trillion, one hundred forty-eight billion, three hundred six million, three hundred sixty-three thousand, four hundred forty-five".

Divisors: 1 5 11 55 121 605 53017 66977 265085 334885 583187 736747 2915935 3683735 6415057 8104217 32075285 40521085 3550919609 17754598045 39060115699 195300578495 429661272689 2148306363445