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1243310143324 = 221933950940763
BaseRepresentation
bin10010000101111011000…
…011110011011101011100
311101212012102101100110211
4102011323003303131130
5130332244344041244
62351100243142204
7155553245563324
oct22057303633534
94355172340424
101243310143324
1143a315187877
12180b66074964
1390322391452
1444268592284
152251c0ca934
hex1217b0f375c

1243310143324 has 24 divisors (see below), whose sum is σ = 2187175299120. Its totient is φ = 618403236864.

The previous prime is 1243310143321. The next prime is 1243310143351. The reversal of 1243310143324 is 4233410133421.

It is a super-2 number, since 2×12433101433242 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243310143321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30480567 + ... + 30521329.

It is an arithmetic number, because the mean of its divisors is an integer number (91132304130).

Almost surely, 21243310143324 is an apocalyptic number.

It is an amenable number.

1243310143324 is a deficient number, since it is larger than the sum of its proper divisors (943865155796).

1243310143324 is a wasteful number, since it uses less digits than its factorization.

1243310143324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80469 (or 80467 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1243310143324 its reverse (4233410133421), we get a palindrome (5476720276745).

The spelling of 1243310143324 in words is "one trillion, two hundred forty-three billion, three hundred ten million, one hundred forty-three thousand, three hundred twenty-four".

Divisors: 1 2 4 193 386 772 39509 40763 79018 81526 158036 163052 7625237 7867259 15250474 15734518 30500948 31469036 1610505367 3221010734 6442021468 310827535831 621655071662 1243310143324