Search a number
-
+
743995952704 = 2613727872
BaseRepresentation
bin10101101001110011001…
…11010100111001000000
32122010101100122100211201
422310321213110321000
544142200430441304
61325441555150544
7104515625153134
oct12647147247100
92563340570751
10743995952704
11267588357094
121002368a5454
135520a354954
142801c4913c4
15145467b53a4
hexad399d4e40

743995952704 has 63 divisors (see below), whose sum is σ = 1489114166673. Its totient is φ = 368813434368.

The previous prime is 743995952701. The next prime is 743995952723. The reversal of 743995952704 is 407259599347.

The square root of 743995952704 is 862552.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 437026766400 + 306969186304 = 661080^2 + 554048^2 .

It is a super-3 number, since 3×7439959527043 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (743995952701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 945356599 + ... + 945357385.

Almost surely, 2743995952704 is an apocalyptic number.

743995952704 is the 862552-nd square number.

It is an amenable number.

743995952704 is an abundant number, since it is smaller than the sum of its proper divisors (745118213969).

743995952704 is an frugal number, since it uses more digits than its factorization.

743995952704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 64.

Multiplying 743995952704 by its sum of digits (64), we get a square (47615740973056 = 69004162).

743995952704 divided by its sum of digits (64) gives a square (11624936761 = 1078192).

The spelling of 743995952704 in words is "seven hundred forty-three billion, nine hundred ninety-five million, nine hundred fifty-two thousand, seven hundred four".

Divisors: 1 2 4 8 16 32 64 137 274 548 787 1096 1574 2192 3148 4384 6296 8768 12592 18769 25184 37538 50368 75076 107819 150152 215638 300304 431276 600608 619369 862552 1201216 1238738 1725104 2477476 3450208 4954952 6900416 9909904 14771203 19819808 29542406 39639616 59084812 84853553 118169624 169707106 236339248 339414212 472678496 678828424 945356992 1357656848 2715313696 5430627392 11624936761 23249873522 46499747044 92999494088 185998988176 371997976352 743995952704