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26630000531 = 143827185153
BaseRepresentation
bin11000110011010001…
…011000111110010011
32112201220001012011222
4120303101120332103
5414014240004111
620122245155255
71631626161341
oct306321307623
975656035158
1026630000531
1110325a39602
1251b23bbb2b
132685144584
141408a4a991
15a5cd4a7db
hex633458f93

26630000531 has 4 divisors (see below), whose sum is σ = 26630329512. Its totient is φ = 26629671552.

The previous prime is 26630000497. The next prime is 26630000581. The reversal of 26630000531 is 13500003662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26630000531 - 234 = 9450131347 is a prime.

It is a super-2 number, since 2×266300005312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26630000531.

It is not an unprimeable number, because it can be changed into a prime (26630000581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51251 + ... + 236403.

It is an arithmetic number, because the mean of its divisors is an integer number (6657582378).

Almost surely, 226630000531 is an apocalyptic number.

26630000531 is a deficient number, since it is larger than the sum of its proper divisors (328981).

26630000531 is a wasteful number, since it uses less digits than its factorization.

26630000531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328980.

The product of its (nonzero) digits is 3240, while the sum is 26.

The spelling of 26630000531 in words is "twenty-six billion, six hundred thirty million, five hundred thirty-one", and thus it is an aban number.

Divisors: 1 143827 185153 26630000531