Search a number
-
+
309469600273 = 2005115434123
BaseRepresentation
bin1001000000011011101…
…00110101101000010001
31002120210110122120020011
410200031310311220101
520032243204202043
6354100211314521
731233642125401
oct4401564655021
91076713576204
10309469600273
1110a277581129
124bb888aba41
132324b97c092
1410d9aa78801
1580b3beb59d
hex480dd35a11

309469600273 has 4 divisors (see below), whose sum is σ = 309485054448. Its totient is φ = 309454146100.

The previous prime is 309469600241. The next prime is 309469600309. The reversal of 309469600273 is 372006964903.

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 309469600273 - 25 = 309469600241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (309469600073) 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, 7697011 + ... + 7737112.

It is an arithmetic number, because the mean of its divisors is an integer number (77371263612).

Almost surely, 2309469600273 is an apocalyptic number.

It is an amenable number.

309469600273 is a deficient number, since it is larger than the sum of its proper divisors (15454175).

309469600273 is a wasteful number, since it uses less digits than its factorization.

309469600273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15454174.

The product of its (nonzero) digits is 1469664, while the sum is 49.

The spelling of 309469600273 in words is "three hundred nine billion, four hundred sixty-nine million, six hundred thousand, two hundred seventy-three".

Divisors: 1 20051 15434123 309469600273