Search a number
-
+
894539770145 = 57160115963947
BaseRepresentation
bin11010000010001101011…
…10011010100100100001
310011111222000101122222222
431001012232122210201
5104124004140121040
61522540151440425
7121425346406030
oct15010656324441
93144860348888
10894539770145
1131541041a33a
1212544b686115
136647c48b478
1431420162717
1518407eb5bb5
hexd046b9a921

894539770145 has 16 divisors (see below), whose sum is σ = 1227563745408. Its totient is φ = 613015526400.

The previous prime is 894539770133. The next prime is 894539770181. The reversal of 894539770145 is 541077935498.

It is not a de Polignac number, because 894539770145 - 28 = 894539769889 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7925939 + ... + 8038008.

It is an arithmetic number, because the mean of its divisors is an integer number (76722734088).

Almost surely, 2894539770145 is an apocalyptic number.

It is an amenable number.

894539770145 is a deficient number, since it is larger than the sum of its proper divisors (333023975263).

894539770145 is a wasteful number, since it uses less digits than its factorization.

894539770145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15965560.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 894539770145 in words is "eight hundred ninety-four billion, five hundred thirty-nine million, seven hundred seventy thousand, one hundred forty-five".

Divisors: 1 5 7 35 1601 8005 11207 56035 15963947 79819735 111747629 558738145 25558279147 127791395735 178907954029 894539770145