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918000000814 = 213131269524369
BaseRepresentation
bin11010101101111010001…
…00000101111100101110
310020202111222221212101011
431112331010011330232
5110020031000011224
61541420125535434
7123215616155011
oct15267504057456
93222458855334
10918000000814
1132435a082926
12129ab841457a
136874a9b9b70
1432607c13378
1518d2c8d5394
hexd5bd105f2e

918000000814 has 16 divisors (see below), whose sum is σ = 1494243107280. Its totient is φ = 420458014080.

The previous prime is 918000000793. The next prime is 918000000851. The reversal of 918000000814 is 418000000819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134758779 + ... + 134765590.

It is an arithmetic number, because the mean of its divisors is an integer number (93390194205).

Almost surely, 2918000000814 is an apocalyptic number.

918000000814 is a deficient number, since it is larger than the sum of its proper divisors (576243106466).

918000000814 is a wasteful number, since it uses less digits than its factorization.

918000000814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269524515.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 918000000814 in words is "nine hundred eighteen billion, eight hundred fourteen", and thus it is an aban number.

Divisors: 1 2 13 26 131 262 1703 3406 269524369 539048738 3503816797 7007633594 35307692339 70615384678 459000000407 918000000814