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49441958568 = 23321740393757
BaseRepresentation
bin101110000010111110…
…000110101010101000
311201121200202201200200
4232002332012222220
51302224120133233
634414024432200
73400134466542
oct560276065250
9151550681620
1049441958568
1119a71773292
1296ba018660
13487c2752b2
14257058a692
1514458b4313
hexb82f86aa8

49441958568 has 48 divisors (see below), whose sum is σ = 141782090580. Its totient is φ = 15511202304.

The previous prime is 49441958563. The next prime is 49441958569. The reversal of 49441958568 is 86585914494.

49441958568 is a `hidden beast` number, since 4 + 9 + 4 + 4 + 19 + 58 + 568 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49132268964 + 309689604 = 221658^2 + 17598^2 .

It is a super-2 number, since 2×494419585682 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49441958563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20195655 + ... + 20198102.

Almost surely, 249441958568 is an apocalyptic number.

It is an amenable number.

49441958568 is an abundant number, since it is smaller than the sum of its proper divisors (92340132012).

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

49441958568 is a wasteful number, since it uses less digits than its factorization.

49441958568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40393786 (or 40393779 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 49441958568 in words is "forty-nine billion, four hundred forty-one million, nine hundred fifty-eight thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 40393757 80787514 121181271 161575028 242362542 323150056 363543813 484725084 686693869 727087626 969450168 1373387738 1454175252 2060081607 2746775476 2908350504 4120163214 5493550952 6180244821 8240326428 12360489642 16480652856 24720979284 49441958568