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78050005803 = 32711791425649
BaseRepresentation
bin100100010110000100…
…1001001001100101011
321110110102212002211200
41020230021021030223
52234321300141203
655504454255243
75432103050220
oct1105411111453
9243412762750
1078050005803
1130112214630
1213162957523
13748b1486b3
143ac5bb9947
15206c1d79a3
hex122c24932b

78050005803 has 48 divisors (see below), whose sum is σ = 142336896000. Its totient is φ = 40032195840.

The previous prime is 78050005793. The next prime is 78050005837. The reversal of 78050005803 is 30850005087.

It is a happy number.

78050005803 is a `hidden beast` number, since 78 + 0 + 5 + 0 + 0 + 0 + 580 + 3 = 666.

It is not a de Polignac number, because 78050005803 - 25 = 78050005771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78050005853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 658078 + ... + 767571.

It is an arithmetic number, because the mean of its divisors is an integer number (2965352000).

Almost surely, 278050005803 is an apocalyptic number.

78050005803 is a deficient number, since it is larger than the sum of its proper divisors (64286890197).

78050005803 is a wasteful number, since it uses less digits than its factorization.

78050005803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425752 (or 1425749 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 78050005803 in words is "seventy-eight billion, fifty million, five thousand, eight hundred three".

Divisors: 1 3 7 9 11 21 33 63 77 79 99 231 237 553 693 711 869 1659 2607 4977 6083 7821 18249 54747 1425649 4276947 9979543 12830841 15682139 29938629 47046417 89815887 109774973 112626271 141139251 329324919 337878813 788383897 987974757 1013636439 1238888981 2365151691 3716666943 7095455073 8672222867 11150000829 26016668601 78050005803