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26719056631 = 139790124329
BaseRepresentation
bin11000111000100101…
…000111001011110111
32112222002121201012001
4120320211013023313
5414210034303011
620135150040131
71634060143201
oct307045071367
975862551161
1026719056631
1110371235793
1252181a9047
13269a7259a7
1414167cd771
15a65a8c7c1
hex6389472f7

26719056631 has 8 divisors (see below), whose sum is σ = 26915792400. Its totient is φ = 26522385600.

The previous prime is 26719056619. The next prime is 26719056713. The reversal of 26719056631 is 13665091762.

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 26719056631 - 213 = 26719048439 is a prime.

It is a super-2 number, since 2×267190566312 (a number of 22 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 (26719056601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086075 + ... + 1110403.

It is an arithmetic number, because the mean of its divisors is an integer number (3364474050).

Almost surely, 226719056631 is an apocalyptic number.

26719056631 is a deficient number, since it is larger than the sum of its proper divisors (196735769).

26719056631 is a wasteful number, since it uses less digits than its factorization.

26719056631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32369.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 26719056631 in words is "twenty-six billion, seven hundred nineteen million, fifty-six thousand, six hundred thirty-one".

Divisors: 1 139 7901 24329 1098239 3381731 192223429 26719056631