Search a number
-
+
20314514471 = 29700500499
BaseRepresentation
bin10010111010110101…
…101110010000100111
31221102202100020222212
4102322311232100213
5313101003430341
613155442314035
71316261344466
oct227265562047
957382306885
1020314514471
118685017439
123b2b35891b
131bb98b8084
14da9d969dd
157dd6955eb
hex4bad6e427

20314514471 has 4 divisors (see below), whose sum is σ = 21015015000. Its totient is φ = 19614013944.

The previous prime is 20314514461. The next prime is 20314514491. The reversal of 20314514471 is 17441541302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20314514471 - 222 = 20310320167 is a prime.

It is a super-3 number, since 3×203145144713 (a number of 32 digits) contains 333 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 (20314514461) 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 3 ways as a sum of consecutive naturals, for example, 350250221 + ... + 350250278.

It is an arithmetic number, because the mean of its divisors is an integer number (5253753750).

Almost surely, 220314514471 is an apocalyptic number.

20314514471 is a deficient number, since it is larger than the sum of its proper divisors (700500529).

20314514471 is an equidigital number, since it uses as much as digits as its factorization.

20314514471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700500528.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 20314514471 in words is "twenty billion, three hundred fourteen million, five hundred fourteen thousand, four hundred seventy-one".

Divisors: 1 29 700500499 20314514471