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78465307020211 = 1291369116466731
BaseRepresentation
bin10001110101110100100000…
…110000001000101110110011
3101021211012200011020220112001
4101311310200300020232303
540241033422044121321
6434514244151514431
722345634312044156
oct2165644060105663
9337735604226461
1078465307020211
1123001a4a254631
128973128688a17
1334a2329010207
141553a538dbc9d
159110e1957c91
hex475d20c08bb3

78465307020211 has 8 divisors (see below), whose sum is σ = 78547365510848. Its totient is φ = 78383281473000.

The previous prime is 78465307020209. The next prime is 78465307020241. The reversal of 78465307020211 is 11202070356487.

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

It is a cyclic number.

It is not a de Polignac number, because 78465307020211 - 21 = 78465307020209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78465307020241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3468285 + ... + 12998446.

It is an arithmetic number, because the mean of its divisors is an integer number (9818420688856).

Almost surely, 278465307020211 is an apocalyptic number.

78465307020211 is a deficient number, since it is larger than the sum of its proper divisors (82058490637).

78465307020211 is a wasteful number, since it uses less digits than its factorization.

78465307020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16471713.

The product of its (nonzero) digits is 564480, while the sum is 46.

Adding to 78465307020211 its reverse (11202070356487), we get a palindrome (89667377376698).

The spelling of 78465307020211 in words is "seventy-eight trillion, four hundred sixty-five billion, three hundred seven million, twenty thousand, two hundred eleven".

Divisors: 1 1291 3691 4765081 16466731 21258549721 60778704121 78465307020211