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80445067725 = 352111034432137
BaseRepresentation
bin100101011101011100…
…1100101000111001101
321200122100120212010210
41022322321211013031
52304222414131400
6100542252553033
75545334536101
oct1127271450715
9250570525123
1080445067725
1131131164050
1213710a82779
1377803c57b9
143c71d11901
15215c5d5950
hex12bae651cd

80445067725 has 96 divisors (see below), whose sum is σ = 146901740544. Its totient is φ = 38519769600.

The previous prime is 80445067723. The next prime is 80445067817. The reversal of 80445067725 is 52776054408.

It is not a de Polignac number, because 80445067725 - 21 = 80445067723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80445067721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37642857 + ... + 37644993.

It is an arithmetic number, because the mean of its divisors is an integer number (1530226464).

Almost surely, 280445067725 is an apocalyptic number.

It is an amenable number.

80445067725 is a deficient number, since it is larger than the sum of its proper divisors (66456672819).

80445067725 is a wasteful number, since it uses less digits than its factorization.

80445067725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2702 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 80445067725 in words is "eighty billion, four hundred forty-five million, sixty-seven thousand, seven hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 103 165 275 309 443 515 825 1133 1329 1545 2137 2215 2575 3399 4873 5665 6411 6645 7725 10685 11075 14619 16995 23507 24365 28325 32055 33225 45629 53425 70521 73095 84975 117535 121825 136887 160275 220111 228145 352605 365475 501919 587675 660333 684435 946691 1100555 1140725 1505757 1763025 2421221 2509595 2840073 3301665 3422175 4733455 5502775 7263663 7528785 10413601 12106105 12547975 14200365 16508325 23667275 31240803 36318315 37643925 52068005 60530525 71001825 97509173 156204015 181591575 260340025 292527519 487545865 781020075 1072600903 1462637595 2437729325 3217802709 5363004515 7313187975 16089013545 26815022575 80445067725