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26800979461 = 83407379279
BaseRepresentation
bin11000111101011101…
…100111111000000101
32120011210202211011221
4120331131213320011
5414342022320321
620151234000341
71636103365234
oct307535477005
976153684157
1026800979461
11104034aa603
12523b7160b1
1326b16aa339
141423636b1b
15a6cd70e41
hex63d767e05

26800979461 has 8 divisors (see below), whose sum is σ = 27130884480. Its totient is φ = 26471241312.

The previous prime is 26800979449. The next prime is 26800979467. The reversal of 26800979461 is 16497900862.

It is a happy number.

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 26800979461 - 221 = 26798882309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26800979399 and 26800979408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26800979467) 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, 298420 + ... + 377698.

It is an arithmetic number, because the mean of its divisors is an integer number (3391360560).

Almost surely, 226800979461 is an apocalyptic number.

It is an amenable number.

26800979461 is a deficient number, since it is larger than the sum of its proper divisors (329905019).

26800979461 is an equidigital number, since it uses as much as digits as its factorization.

26800979461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83435.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 26800979461 in words is "twenty-six billion, eight hundred million, nine hundred seventy-nine thousand, four hundred sixty-one".

Divisors: 1 83 4073 79279 338059 6580157 322903367 26800979461