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103031316545 = 5101204022409
BaseRepresentation
bin101111111110100100…
…1010010000001000001
3100211221102121011210212
41133331021102001001
53142002004112140
6115155410403505
710305132512033
oct1377511220101
9324842534725
10103031316545
113a771546093
1217b74b90595
13993c83a281
144db5899c53
152a30417765
hex17fd252041

103031316545 has 8 divisors (see below), whose sum is σ = 124861714920. Its totient is φ = 81608963200.

The previous prime is 103031316467. The next prime is 103031316613. The reversal of 103031316545 is 545613130301.

It can be written as a sum of positive squares in 4 ways, for example, as 37327785616 + 65703530929 = 193204^2 + 256327^2 .

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

It is not a de Polignac number, because 103031316545 - 210 = 103031315521 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102010700 + ... + 102011709.

It is an arithmetic number, because the mean of its divisors is an integer number (15607714365).

Almost surely, 2103031316545 is an apocalyptic number.

It is an amenable number.

103031316545 is a deficient number, since it is larger than the sum of its proper divisors (21830398375).

103031316545 is a wasteful number, since it uses less digits than its factorization.

103031316545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204022515.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 103031316545 its reverse (545613130301), we get a palindrome (648644446846).

The spelling of 103031316545 in words is "one hundred three billion, thirty-one million, three hundred sixteen thousand, five hundred forty-five".

Divisors: 1 5 101 505 204022409 1020112045 20606263309 103031316545