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78773480463 = 367391907863
BaseRepresentation
bin100100101011101000…
…0111110110000001111
321112022212012102111110
41021113100332300033
52242312002333323
6100104341023103
75456036351616
oct1112720766017
9245285172443
1078773480463
1130453637877
12133250b4a93
137574cb6902
143b53d0487d
1520b0995793
hex125743ec0f

78773480463 has 8 divisors (see below), whose sum is σ = 106598939008. Its totient is φ = 51731837784.

The previous prime is 78773480353. The next prime is 78773480479. The reversal of 78773480463 is 36408437787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78773480463 - 210 = 78773479439 is a prime.

It is a super-2 number, since 2×787734804632 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78773480563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195953731 + ... + 195954132.

It is an arithmetic number, because the mean of its divisors is an integer number (13324867376).

Almost surely, 278773480463 is an apocalyptic number.

78773480463 is a deficient number, since it is larger than the sum of its proper divisors (27825458545).

78773480463 is a wasteful number, since it uses less digits than its factorization.

78773480463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391907933.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 78773480463 in words is "seventy-eight billion, seven hundred seventy-three million, four hundred eighty thousand, four hundred sixty-three".

Divisors: 1 3 67 201 391907863 1175723589 26257826821 78773480463