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1224214324144 = 24713978636583
BaseRepresentation
bin10001110100001000110…
…111000010001110110000
311100000220121020020010121
4101310020313002032300
5130024142331333034
62334221333340024
7154306113030160
oct21641067021660
94300817206117
101224214324144
11432206086229
12179316a97614
138b59b115166
14433763d45a0
1521ca09151b4
hex11d08dc23b0

1224214324144 has 40 divisors (see below), whose sum is σ = 2730262196480. Its totient is φ = 520888719168.

The previous prime is 1224214324133. The next prime is 1224214324171. The reversal of 1224214324144 is 4414234124221.

It is a super-2 number, since 2×12242143241442 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39302724 + ... + 39333859.

It is an arithmetic number, because the mean of its divisors is an integer number (68256554912).

Almost surely, 21224214324144 is an apocalyptic number.

1224214324144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1224214324144 is an abundant number, since it is smaller than the sum of its proper divisors (1506047872336).

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

1224214324144 is a wasteful number, since it uses less digits than its factorization.

1224214324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78636737 (or 78636731 counting only the distinct ones).

The product of its digits is 49152, while the sum is 34.

Adding to 1224214324144 its reverse (4414234124221), we get a palindrome (5638448448365).

The spelling of 1224214324144 in words is "one trillion, two hundred twenty-four billion, two hundred fourteen million, three hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 139 278 556 973 1112 1946 2224 3892 7784 15568 78636583 157273166 314546332 550456081 629092664 1100912162 1258185328 2201824324 4403648648 8807297296 10930485037 21860970074 43721940148 76513395259 87443880296 153026790518 174887760592 306053581036 612107162072 1224214324144