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19930227885344 = 257372404708963
BaseRepresentation
bin1001000100000010111100…
…01001110100010100100000
32121120022101211220211201002
410202001132021310110200
510103014101314312334
6110215453103331132
74124624424566660
oct442013611642440
977508354824632
1019930227885344
1163943a9074667
12229a740bb0aa8
13b17549137caa
144cc8b1a061a0
1524866e78bb7e
hex12205e274520

19930227885344 has 48 divisors (see below), whose sum is σ = 46054986078528. Its totient is φ = 8310674172672.

The previous prime is 19930227885343. The next prime is 19930227885367. The reversal of 19930227885344 is 44358872203991.

It is not an unprimeable number, because it can be changed into a prime (19930227885343) 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, 1202346194 + ... + 1202362769.

It is an arithmetic number, because the mean of its divisors is an integer number (959478876636).

Almost surely, 219930227885344 is an apocalyptic number.

19930227885344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19930227885344 is an abundant number, since it is smaller than the sum of its proper divisors (26124758193184).

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

19930227885344 is a wasteful number, since it uses less digits than its factorization.

19930227885344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404709017 (or 2404709009 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 65.

The spelling of 19930227885344 in words is "nineteen trillion, nine hundred thirty billion, two hundred twenty-seven million, eight hundred eighty-five thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 37 56 74 112 148 224 259 296 518 592 1036 1184 2072 4144 8288 2404708963 4809417926 9618835852 16832962741 19237671704 33665925482 38475343408 67331850964 76950686816 88974231631 134663701928 177948463262 269327403856 355896926524 538654807712 622819621417 711793853048 1245639242834 1423587706096 2491278485668 2847175412192 4982556971336 9965113942672 19930227885344