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13026225026 = 26513112513
BaseRepresentation
bin11000010000110110…
…00110101110000010
31020121211010210102202
430020123012232002
5203134203200101
65552325113202
7640542041303
oct141033065602
936554123382
1013026225026
115584a67731
122636558802
1312c7954679
148b80347aa
155138d236b
hex3086c6b82

13026225026 has 4 divisors (see below), whose sum is σ = 19539337542. Its totient is φ = 6513112512.

The previous prime is 13026225019. The next prime is 13026225059. The reversal of 13026225026 is 62052262031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62052262031 = 371677088163.

It can be written as a sum of positive squares in only one way, i.e., 6682899001 + 6343326025 = 81749^2 + 79645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13026225026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3256556255 + ... + 3256556258.

Almost surely, 213026225026 is an apocalyptic number.

13026225026 is a deficient number, since it is larger than the sum of its proper divisors (6513112516).

13026225026 is an equidigital number, since it uses as much as digits as its factorization.

13026225026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513112515.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 13026225026 its reverse (62052262031), we get a palindrome (75078487057).

The spelling of 13026225026 in words is "thirteen billion, twenty-six million, two hundred twenty-five thousand, twenty-six".

Divisors: 1 2 6513112513 13026225026