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103620689845 = 5371035437979
BaseRepresentation
bin110000010000001000…
…1100011111110110101
3100220110111121102222121
41200200101203332311
53144203344033340
6115334102555541
710325550221401
oct1404021437665
9326414542877
10103620689845
113aa441a5a62
12180ba438bb1
139a04984c7a
14502dc78101
152a6703694a
hex1820463fb5

103620689845 has 16 divisors (see below), whose sum is σ = 128945381760. Its totient is φ = 79873020864.

The previous prime is 103620689833. The next prime is 103620689857. The reversal of 103620689845 is 548986026301.

It is an interprime number because it is at equal distance from previous prime (103620689833) and next prime (103620689857).

It is a cyclic number.

It is not a de Polignac number, because 103620689845 - 217 = 103620558773 is a prime.

It is a super-3 number, since 3×1036206898453 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103620689792 and 103620689801.

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 15 ways as a sum of consecutive naturals, for example, 2699935 + ... + 2738044.

It is an arithmetic number, because the mean of its divisors is an integer number (8059086360).

Almost surely, 2103620689845 is an apocalyptic number.

It is an amenable number.

103620689845 is a deficient number, since it is larger than the sum of its proper divisors (25324691915).

103620689845 is a wasteful number, since it uses less digits than its factorization.

103620689845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438124.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 103620689845 in words is "one hundred three billion, six hundred twenty million, six hundred eighty-nine thousand, eight hundred forty-five".

Divisors: 1 5 37 103 185 515 3811 19055 5437979 27189895 201205223 560111837 1006026115 2800559185 20724137969 103620689845