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26316306360431 = 311187949175353
BaseRepresentation
bin1011111101111001111100…
…00101111010100001101111
310110011210222122020000121022
411332330332011322201233
511422131243412013211
6131545313320124355
75354201414156033
oct576747605724157
9113153878200538
1026316306360431
11842675696a71a
122b503399066bb
13118b8038424c9
1466da04aac1c3
15309832d3bbdb
hex17ef3e17a86f

26316306360431 has 16 divisors (see below), whose sum is σ = 27191330546688. Its totient is φ = 25442919278400.

The previous prime is 26316306360391. The next prime is 26316306360457. The reversal of 26316306360431 is 13406360361362.

It is a cyclic number.

It is not a de Polignac number, because 26316306360431 - 26 = 26316306360367 is a prime.

It is a super-2 number, since 2×263163063604312 (a number of 28 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 (26316306360481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349202651 + ... + 349278003.

It is an arithmetic number, because the mean of its divisors is an integer number (1699458159168).

Almost surely, 226316306360431 is an apocalyptic number.

26316306360431 is a deficient number, since it is larger than the sum of its proper divisors (875024186257).

26316306360431 is a wasteful number, since it uses less digits than its factorization.

26316306360431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86062.

The product of its (nonzero) digits is 839808, while the sum is 44.

The spelling of 26316306360431 in words is "twenty-six trillion, three hundred sixteen billion, three hundred six million, three hundred sixty thousand, four hundred thirty-one".

Divisors: 1 31 1187 9491 36797 75353 294221 2335943 11265817 89444011 349240327 715175323 2772764341 22170435013 848913108401 26316306360431