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45015320131 = 318631682627
BaseRepresentation
bin101001111011000111…
…110100011001000011
311022012012021012022221
4221323013310121003
51214142410221011
632402454311511
73152343623245
oct517307643103
9138165235287
1045015320131
11180aaa7a311
128883658597
134325146402
1422706da095
151286e67971
hexa7b1f4643

45015320131 has 8 divisors (see below), whose sum is σ = 46521298944. Its totient is φ = 43512708360.

The previous prime is 45015320089. The next prime is 45015320177. The reversal of 45015320131 is 13102351054.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45015320131 - 211 = 45015318083 is a prime.

It is a super-2 number, since 2×450153201312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45015320096 and 45015320105.

It is not an unprimeable number, because it can be changed into a prime (45015323131) 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 7 ways as a sum of consecutive naturals, for example, 814561 + ... + 868066.

It is an arithmetic number, because the mean of its divisors is an integer number (5815162368).

Almost surely, 245015320131 is an apocalyptic number.

45015320131 is a deficient number, since it is larger than the sum of its proper divisors (1505978813).

45015320131 is a wasteful number, since it uses less digits than its factorization.

45015320131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683521.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 45015320131 its reverse (13102351054), we get a palindrome (58117671185).

The spelling of 45015320131 in words is "forty-five billion, fifteen million, three hundred twenty thousand, one hundred thirty-one".

Divisors: 1 31 863 26753 1682627 52161437 1452107101 45015320131