Search a number
-
+
488903461749 = 32431126038531
BaseRepresentation
bin1110001110101001110…
…10101100101101110101
31201201221112010011102100
413013110322230231311
531002233241233444
61012333225532313
750215324600023
oct7072472545565
91651845104370
10488903461749
1117938529302a
127a904944099
1337146222501
141993d5c3713
15cab6874e69
hex71d4eacb75

488903461749 has 12 divisors (see below), whose sum is σ = 707832395712. Its totient is φ = 325179407400.

The previous prime is 488903461687. The next prime is 488903461751. The reversal of 488903461749 is 947164309884.

488903461749 is a `hidden beast` number, since 4 + 8 + 8 + 9 + 0 + 3 + 4 + 617 + 4 + 9 = 666.

It is not a de Polignac number, because 488903461749 - 216 = 488903396213 is a prime.

It is a super-2 number, since 2×4889034617492 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488903461349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63015387 + ... + 63023144.

It is an arithmetic number, because the mean of its divisors is an integer number (58986032976).

Almost surely, 2488903461749 is an apocalyptic number.

It is an amenable number.

488903461749 is a deficient number, since it is larger than the sum of its proper divisors (218928933963).

488903461749 is a wasteful number, since it uses less digits than its factorization.

488903461749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126038968 (or 126038965 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 488903461749 in words is "four hundred eighty-eight billion, nine hundred three million, four hundred sixty-one thousand, seven hundred forty-nine".

Divisors: 1 3 9 431 1293 3879 126038531 378115593 1134346779 54322606861 162967820583 488903461749