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1312223330310 = 23543740777677
BaseRepresentation
bin10011000110000110100…
…110110000000000000110
311122110002002200222011120
4103012012212300000012
5132444413133032220
62442454352014410
7163543055162034
oct23060646600006
94573062628146
101312223330310
11466568951172
12192398b31406
13969855c4479
1447724add554
15242020aca40
hex131869b0006

1312223330310 has 16 divisors (see below), whose sum is σ = 3149335992816. Its totient is φ = 349926221408.

The previous prime is 1312223330291. The next prime is 1312223330323. The reversal of 1312223330310 is 130333222131.

It is a super-2 number, since 2×13122233303102 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21870388809 + ... + 21870388868.

It is an arithmetic number, because the mean of its divisors is an integer number (196833499551).

Almost surely, 21312223330310 is an apocalyptic number.

1312223330310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312223330310 is an abundant number, since it is smaller than the sum of its proper divisors (1837112662506).

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

1312223330310 is a wasteful number, since it uses less digits than its factorization.

1312223330310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43740777687.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1312223330310 its reverse (130333222131), we get a palindrome (1442556552441).

The spelling of 1312223330310 in words is "one trillion, three hundred twelve billion, two hundred twenty-three million, three hundred thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 43740777677 87481555354 131222333031 218703888385 262444666062 437407776770 656111665155 1312223330310