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48028992531 = 31310919315851
BaseRepresentation
bin101100101110110000…
…000100010000010011
311120222020000121200020
4230232300010100103
51241330410230111
634021511554523
73320126462202
oct545660042023
9146866017606
1048028992531
1119407128a63
12938498ba43
1346b5606c10
142478a61239
1513b180c906
hexb2ec04413

48028992531 has 32 divisors (see below), whose sum is σ = 69645354240. Its totient is φ = 29264976000.

The previous prime is 48028992511. The next prime is 48028992551. The reversal of 48028992531 is 13529982084.

It is an interprime number because it is at equal distance from previous prime (48028992511) and next prime (48028992551).

It is not a de Polignac number, because 48028992531 - 25 = 48028992499 is a prime.

It is a super-2 number, since 2×480289925312 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48028992511) 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, 8205756 + ... + 8211606.

It is an arithmetic number, because the mean of its divisors is an integer number (2176417320).

Almost surely, 248028992531 is an apocalyptic number.

48028992531 is a deficient number, since it is larger than the sum of its proper divisors (21616361709).

48028992531 is a wasteful number, since it uses less digits than its factorization.

48028992531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 48028992531 in words is "forty-eight billion, twenty-eight million, nine hundred ninety-two thousand, five hundred thirty-one".

Divisors: 1 3 13 39 109 327 1417 1931 4251 5793 5851 17553 25103 75309 76063 210479 228189 631437 637759 1913277 2736227 8208681 8290867 11298281 24872601 33894843 146877653 440632959 1231512629 3694537887 16009664177 48028992531