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7914466446649 = 72233693217697
BaseRepresentation
bin111001100101011101011…
…1101100000110100111001
31001000121121202220200200221
41303022322331200310321
52014132311402243044
624455504455100041
71444541566545100
oct163127275406471
931017552820627
107914466446649
112581562a85674
12a79a62971621
1345543c22b229
141d50c2a35037
15dad17c9a484
hex732baf60d39

7914466446649 has 12 divisors (see below), whose sum is σ = 9246137655924. Its totient is φ = 6754713229824.

The previous prime is 7914466446643. The next prime is 7914466446727. The reversal of 7914466446649 is 9466446644197.

It can be written as a sum of positive squares in 2 ways, for example, as 2606658685225 + 5307807761424 = 1614515^2 + 2303868^2 .

It is not a de Polignac number, because 7914466446649 - 29 = 7914466446137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7914466446643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346597432 + ... + 346620265.

It is an arithmetic number, because the mean of its divisors is an integer number (770511471327).

Almost surely, 27914466446649 is an apocalyptic number.

It is an amenable number.

7914466446649 is a deficient number, since it is larger than the sum of its proper divisors (1331671209275).

7914466446649 is a wasteful number, since it uses less digits than its factorization.

7914466446649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693217944 (or 693217937 counting only the distinct ones).

The product of its digits is 752467968, while the sum is 70.

The spelling of 7914466446649 in words is "seven trillion, nine hundred fourteen billion, four hundred sixty-six million, four hundred forty-six thousand, six hundred forty-nine".

Divisors: 1 7 49 233 1631 11417 693217697 4852523879 33967667153 161519723401 1130638063807 7914466446649