Search a number
-
+
26488000961 = 179147977659
BaseRepresentation
bin11000101010110011…
…101101000111000001
32112100222211212101122
4120222303231013001
5413221412012321
620100213442025
71625253202412
oct305263550701
975328755348
1026488000961
1110262871194
125172940315
1326618b7066
1413d3c45809
15a5064b8ab
hex62aced1c1

26488000961 has 4 divisors (see below), whose sum is σ = 26635978800. Its totient is φ = 26340023124.

The previous prime is 26488000949. The next prime is 26488000963. The reversal of 26488000961 is 16900088462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26488000961 - 230 = 25414259137 is a prime.

It is a super-2 number, since 2×264880009612 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26488000963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73988651 + ... + 73989008.

It is an arithmetic number, because the mean of its divisors is an integer number (6658994700).

Almost surely, 226488000961 is an apocalyptic number.

It is an amenable number.

26488000961 is a deficient number, since it is larger than the sum of its proper divisors (147977839).

26488000961 is a wasteful number, since it uses less digits than its factorization.

26488000961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147977838.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 26488000961 in words is "twenty-six billion, four hundred eighty-eight million, nine hundred sixty-one", and thus it is an aban number.

Divisors: 1 179 147977659 26488000961