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1240331344044 = 2231349915933551
BaseRepresentation
bin10010000011001001100…
…000100101100010101100
311101120111211020200001120
4102003021200211202230
5130310144311002134
62345444513140540
7155416365320322
oct22031140454254
94346454220046
101240331344044
11439026787891
1218047455a750
138cc691c0a20
1444064b07d12
15223e5823649
hex120c98258ac

1240331344044 has 48 divisors (see below), whose sum is σ = 3122976192000. Its totient is φ = 380875579200.

The previous prime is 1240331344019. The next prime is 1240331344073. The reversal of 1240331344044 is 4404431330421.

It is a junction number, because it is equal to n+sod(n) for n = 1240331343996 and 1240331344014.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7888932 + ... + 8044619.

It is an arithmetic number, because the mean of its divisors is an integer number (65062004000).

Almost surely, 21240331344044 is an apocalyptic number.

It is an amenable number.

1240331344044 is an abundant number, since it is smaller than the sum of its proper divisors (1882644847956).

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

1240331344044 is a wasteful number, since it uses less digits than its factorization.

1240331344044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15934070 (or 15934068 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1240331344044 its reverse (4404431330421), we get a palindrome (5644762674465).

The spelling of 1240331344044 in words is "one trillion, two hundred forty billion, three hundred thirty-one million, three hundred forty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 499 998 1497 1996 2994 5988 6487 12974 19461 25948 38922 77844 15933551 31867102 47800653 63734204 95601306 191202612 207136163 414272326 621408489 828544652 1242816978 2485633956 7950841949 15901683898 23852525847 31803367796 47705051694 95410103388 103360945337 206721890674 310082836011 413443781348 620165672022 1240331344044