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103445010455 = 5171217000123
BaseRepresentation
bin110000001010111001…
…1011001100000010111
3100220000021001000011112
41200111303121200113
53143323410313310
6115304425325235
710321315036523
oct1402563314027
9326007030145
10103445010455
113a964014486
121806b63681b
1399a7464877
1450147c6d83
152a568d3705
hex1815cd9817

103445010455 has 8 divisors (see below), whose sum is σ = 131436013392. Its totient is φ = 77888007808.

The previous prime is 103445010379. The next prime is 103445010481. The reversal of 103445010455 is 554010544301.

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 103445010455 - 210 = 103445009431 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 608499977 + ... + 608500146.

It is an arithmetic number, because the mean of its divisors is an integer number (16429501674).

Almost surely, 2103445010455 is an apocalyptic number.

103445010455 is a deficient number, since it is larger than the sum of its proper divisors (27991002937).

103445010455 is a wasteful number, since it uses less digits than its factorization.

103445010455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217000145.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 103445010455 its reverse (554010544301), we get a palindrome (657455554756).

The spelling of 103445010455 in words is "one hundred three billion, four hundred forty-five million, ten thousand, four hundred fifty-five".

Divisors: 1 5 17 85 1217000123 6085000615 20689002091 103445010455