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238384156516 = 22112221932
BaseRepresentation
bin1101111000000011001…
…1011000111101100100
3211210022101211212102221
43132000303120331210
512401202321002031
6301302343442124
723136244616602
oct3360063307544
9753271755387
10238384156516
1192109707100
123a24a456344
13196306ac41c
14b775c32872
15630317ca11
hex3780cd8f64

238384156516 has 27 divisors (see below), whose sum is σ = 458565393433. Its totient is φ = 108351552320.

The previous prime is 238384156487. The next prime is 238384156519. The reversal of 238384156516 is 615651483832.

The square root of 238384156516 is 488246.

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

238384156516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 226128780900 + 12255375616 = 475530^2 + 110704^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238384156519) 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, 10730316 + ... + 10752508.

Almost surely, 2238384156516 is an apocalyptic number.

238384156516 is the 488246-th square number.

It is an amenable number.

238384156516 is a deficient number, since it is larger than the sum of its proper divisors (220181236917).

238384156516 is an frugal number, since it uses more digits than its factorization.

238384156516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44412 (or 22206 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 52.

The spelling of 238384156516 in words is "two hundred thirty-eight billion, three hundred eighty-four million, one hundred fifty-six thousand, five hundred sixteen".

Divisors: 1 2 4 11 22 44 121 242 484 22193 44386 88772 244123 488246 976492 2685353 5370706 10741412 492529249 985058498 1970116996 5417821739 10835643478 21671286956 59596039129 119192078258 238384156516