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14914611817 = 721738572053
BaseRepresentation
bin11011110001111101…
…01110101001101001
31102111102110210010021
431320332232221221
5221021120034232
610503543520441
71035412052200
oct157076565151
942442423107
1014914611817
116363a00676
122a82a59121
131538c502c1
14a16b58237
155c4599397
hex378faea69

14914611817 has 24 divisors (see below), whose sum is σ = 17478808776. Its totient is φ = 12689042688.

The previous prime is 14914611799. The next prime is 14914611827. The reversal of 14914611817 is 71811641941.

It can be written as a sum of positive squares in 4 ways, for example, as 9100396816 + 5814215001 = 95396^2 + 76251^2 .

It is not a de Polignac number, because 14914611817 - 27 = 14914611689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14914611827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7263763 + ... + 7265815.

It is an arithmetic number, because the mean of its divisors is an integer number (728283699).

Almost surely, 214914611817 is an apocalyptic number.

It is an amenable number.

14914611817 is a deficient number, since it is larger than the sum of its proper divisors (2564196959).

14914611817 is a wasteful number, since it uses less digits than its factorization.

14914611817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3097 (or 3090 counting only the distinct ones).

The product of its digits is 48384, while the sum is 43.

The spelling of 14914611817 in words is "fourteen billion, nine hundred fourteen million, six hundred eleven thousand, eight hundred seventeen".

Divisors: 1 7 49 173 857 1211 2053 5999 8477 14371 41993 100597 148261 355169 1037827 1759421 2486183 7264789 12315947 17403281 86211629 304379833 2130658831 14914611817