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79266489122 = 21990812
BaseRepresentation
bin100100111010010100…
…1101010001100100010
321120121012212212020102
41021310221222030202
52244314210122442
6100225311542402
75504204016632
oct1116451521442
9246535785212
1079266489122
1130686959547
121344222aa02
137623191702
143b9d59a6c2
1520dddcc232
hex1274a6a322

79266489122 has 6 divisors (see below), whose sum is σ = 118900330929. Its totient is φ = 39633045480.

The previous prime is 79266489121. The next prime is 79266489143. The reversal of 79266489122 is 22198466297.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39884483521 + 39382005601 = 199711^2 + 198449^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=199081.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79266489121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 298622 + ... + 497702.

Almost surely, 279266489122 is an apocalyptic number.

79266489122 is a deficient number, since it is larger than the sum of its proper divisors (39633841807).

79266489122 is an frugal number, since it uses more digits than its factorization.

79266489122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398164 (or 199083 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 56.

The spelling of 79266489122 in words is "seventy-nine billion, two hundred sixty-six million, four hundred eighty-nine thousand, one hundred twenty-two".

Divisors: 1 2 199081 398162 39633244561 79266489122