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26355423131 = 431986730851
BaseRepresentation
bin11000100010111001…
…111101011110011011
32112000202101012210122
4120202321331132123
5412433442020011
620035120103455
71622053254212
oct304271753633
975022335718
1026355423131
11101a4a49534
125136464b8b
1326402a813b
1413c03b4079
15a43bae3db
hex622e7d79b

26355423131 has 8 divisors (see below), whose sum is σ = 26970571584. Its totient is φ = 25740376200.

The previous prime is 26355423113. The next prime is 26355423161. The reversal of 26355423131 is 13132455362.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-26355423131 is a prime.

It is a super-2 number, since 2×263554231312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26355423091 and 26355423100.

It is not an unprimeable number, because it can be changed into a prime (26355423161) 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, 838856 + ... + 869706.

It is an arithmetic number, because the mean of its divisors is an integer number (3371321448).

Almost surely, 226355423131 is an apocalyptic number.

26355423131 is a deficient number, since it is larger than the sum of its proper divisors (615148453).

26355423131 is a wasteful number, since it uses less digits than its factorization.

26355423131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50761.

The product of its digits is 64800, while the sum is 35.

Adding to 26355423131 its reverse (13132455362), we get a palindrome (39487878493).

The spelling of 26355423131 in words is "twenty-six billion, three hundred fifty-five million, four hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 43 19867 30851 854281 1326593 612916817 26355423131