Search a number
-
+
738289940644 = 22349212312
BaseRepresentation
bin10101011111001011000…
…00100111100010100100
32121120122200202220210201
422233211200213202210
544044004211100034
61323055443400244
7104224340644354
oct12574540474244
92546580686721
10738289940644
1126511a473843
12bb103983084
135480b160359
1427a3a72cb64
15143108a0014
hexabe58278a4

738289940644 has 27 divisors (see below), whose sum is σ = 1296773460801. Its totient is φ = 367788233520.

The previous prime is 738289940593. The next prime is 738289940669. The reversal of 738289940644 is 446049982837.

The square root of 738289940644 is 859238.

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., 541899155044 + 196390785600 = 736138^2 + 443160^2 .

It is a super-2 number, since 2×7382899406442 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 599747509 + ... + 599748739.

Almost surely, 2738289940644 is an apocalyptic number.

738289940644 is the 859238-th square number.

It is an amenable number.

738289940644 is a deficient number, since it is larger than the sum of its proper divisors (558483520157).

738289940644 is an frugal number, since it uses more digits than its factorization.

738289940644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 64.

Multiplying 738289940644 by its sum of digits (64), we get a square (47250556201216 = 68739042).

The spelling of 738289940644 in words is "seven hundred thirty-eight billion, two hundred eighty-nine million, nine hundred forty thousand, six hundred forty-four".

Divisors: 1 2 4 349 698 1231 1396 2462 4924 121801 243602 429619 487204 859238 1515361 1718476 3030722 6061444 149937031 299874062 528860989 599748124 1057721978 2115443956 184572485161 369144970322 738289940644