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1312233055001 = 112232687175481
BaseRepresentation
bin10011000110000111001…
…011110110001100011001
311122110002210000000221022
4103012013023312030121
5132444423130230001
62442455340252225
7163543233633641
oct23060713661431
94573083000838
101312233055001
11466573393500
121923a0241075
139698761a91b
1447726111521
1524202d7e11b
hex131872f6319

1312233055001 has 24 divisors (see below), whose sum is σ = 1505652406272. Its totient is φ = 1140641057600.

The previous prime is 1312233054997. The next prime is 1312233055009. The reversal of 1312233055001 is 1005503322131.

It is not a de Polignac number, because 1312233055001 - 22 = 1312233054997 is a prime.

It is a super-2 number, since 2×13122330550012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312233055009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7390181 + ... + 7565661.

It is an arithmetic number, because the mean of its divisors is an integer number (62735516928).

Almost surely, 21312233055001 is an apocalyptic number.

1312233055001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312233055001 is a deficient number, since it is larger than the sum of its proper divisors (193419351271).

1312233055001 is a wasteful number, since it uses less digits than its factorization.

1312233055001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178213 (or 178202 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 1312233055001 its reverse (1005503322131), we get a palindrome (2317736377132).

The spelling of 1312233055001 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, fifty-five thousand, one".

Divisors: 1 11 23 121 253 2687 2783 29557 61801 175481 325127 679811 1930291 4036063 7477921 21233201 44396693 471517447 488363623 5186691917 10844901281 57053611087 119293914091 1312233055001