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48903341881 = 19210321132
BaseRepresentation
bin101101100010110111…
…011100011100111001
311200020011021011111111
4231202313130130321
51300123223420011
634244344200321
73350604355522
oct554267343471
9150204234444
1048903341881
1119815730629
1295897690a1
1347c47bc1b4
14251cc21849
15141346e121
hexb62ddc739

48903341881 has 27 divisors (see below), whose sum is σ = 52583935599. Its totient is φ = 45473666112.

The previous prime is 48903341821. The next prime is 48903341899. The reversal of 48903341881 is 18814330984.

The square root of 48903341881 is 221141.

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., 861716025 + 48041625856 = 29355^2 + 219184^2 .

It is not a de Polignac number, because 48903341881 - 29 = 48903341369 is a prime.

It is a super-2 number, since 2×489033418812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48903341801) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 432772881 + ... + 432772993.

Almost surely, 248903341881 is an apocalyptic number.

48903341881 is the 221141-st square number.

48903341881 is the 110571-st centered octagonal number.

It is an amenable number.

48903341881 is a deficient number, since it is larger than the sum of its proper divisors (3680593718).

48903341881 is an equidigital number, since it uses as much as digits as its factorization.

48903341881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

Multiplying 48903341881 by its sum of digits (49), we get a square (2396263752169 = 15479872).

The spelling of 48903341881 in words is "forty-eight billion, nine hundred three million, three hundred forty-one thousand, eight hundred eighty-one".

Divisors: 1 19 103 113 361 1957 2147 10609 11639 12769 37183 40793 201571 221141 242611 1198817 1315207 3829849 4201679 4609609 22777523 24988933 135466321 432772937 474789727 2573860099 48903341881