Search a number
-
+
40283670730 = 25171578771721
BaseRepresentation
bin100101100001000110…
…000000100011001010
310211222102211111120211
4211201012000203022
51130000104430410
630301150511334
72624160360112
oct454106004312
9124872744524
1040283670730
11160a209a066
127982b0554a
133a4ca83974
141d42130042
1510ab86c68a
hex9611808ca

40283670730 has 64 divisors (see below), whose sum is σ = 77398003872. Its totient is φ = 15043092480.

The previous prime is 40283670677. The next prime is 40283670731. The reversal of 40283670730 is 3707638204.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 15763555809 + 24520114921 = 125553^2 + 156589^2 .

It is not an unprimeable number, because it can be changed into a prime (40283670731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23406270 + ... + 23407990.

Almost surely, 240283670730 is an apocalyptic number.

40283670730 is a deficient number, since it is larger than the sum of its proper divisors (37114333142).

40283670730 is a wasteful number, since it uses less digits than its factorization.

40283670730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 40283670730 in words is "forty billion, two hundred eighty-three million, six hundred seventy thousand, seven hundred thirty".

Divisors: 1 2 5 10 17 34 85 157 170 314 785 877 1570 1721 1754 2669 3442 4385 5338 8605 8770 13345 14909 17210 26690 29257 29818 58514 74545 137689 146285 149090 270197 275378 292570 540394 688445 1350985 1376890 1509317 2340713 2701970 3018634 4593349 4681426 7546585 9186698 11703565 15093170 22966745 23407130 25658389 45933490 51316778 128291945 236962769 256583890 473925538 1184813845 2369627690 4028367073 8056734146 20141835365 40283670730