Search a number
-
+
21469502095 = 528315172793
BaseRepresentation
bin10011111111101011…
…101001101010001111
32001102020122201011021
4103333223221222033
5322432143031340
613510221535011
71360014520366
oct237753515217
961366581137
1021469502095
119117a79768
1241b2114467
132041c7c3c2
14107952a7dd
15859c8de4a
hex4ffae9a8f

21469502095 has 8 divisors (see below), whose sum is σ = 25854440976. Its totient is φ = 17114909376.

The previous prime is 21469502077. The next prime is 21469502101. The reversal of 21469502095 is 59020596412.

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 21469502095 - 27 = 21469501967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7584982 + ... + 7587811.

It is an arithmetic number, because the mean of its divisors is an integer number (3231805122).

Almost surely, 221469502095 is an apocalyptic number.

21469502095 is a deficient number, since it is larger than the sum of its proper divisors (4384938881).

21469502095 is a wasteful number, since it uses less digits than its factorization.

21469502095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173081.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 21469502095 in words is "twenty-one billion, four hundred sixty-nine million, five hundred two thousand, ninety-five".

Divisors: 1 5 283 1415 15172793 75863965 4293900419 21469502095