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11312431020050 = 252226248620401
BaseRepresentation
bin1010010010011110000101…
…1011101011100000010010
31111001110100202201221202112
42210213201123223200102
52440320324320120200
640020505320345322
72245203405061646
oct244474133534022
944043322657675
1011312431020050
11367163643a5a6
121328512315242
136409b079a114
142b174b652c26
151493e0378535
hexa49e16eb812

11312431020050 has 12 divisors (see below), whose sum is σ = 21041121697386. Its totient is φ = 4524972408000.

The previous prime is 11312431020031. The next prime is 11312431020053. The reversal of 11312431020050 is 5002013421311.

It can be written as a sum of positive squares in 3 ways, for example, as 6279780390601 + 5032650629449 = 2505949^2 + 2243357^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11312431019998 and 11312431020025.

It is not an unprimeable number, because it can be changed into a prime (11312431020053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113124310151 + ... + 113124310250.

Almost surely, 211312431020050 is an apocalyptic number.

11312431020050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312431020050 is a deficient number, since it is larger than the sum of its proper divisors (9728690677336).

11312431020050 is a wasteful number, since it uses less digits than its factorization.

11312431020050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226248620413 (or 226248620408 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 11312431020050 its reverse (5002013421311), we get a palindrome (16314444441361).

The spelling of 11312431020050 in words is "eleven trillion, three hundred twelve billion, four hundred thirty-one million, twenty thousand, fifty".

Divisors: 1 2 5 10 25 50 226248620401 452497240802 1131243102005 2262486204010 5656215510025 11312431020050