Search a number
-
+
85407882434 = 2721128912621
BaseRepresentation
bin100111110001010110…
…1001101110011000010
322011110012222222001222
41033202231031303002
52344403404214214
6103122535155042
76112326010460
oct1174255156302
9264405888058
1085407882434
1133248583206
1214676b15a82
138091634a54
1441c3093830
15234d14438e
hex13e2b4dcc2

85407882434 has 16 divisors (see below), whose sum is σ = 147107420736. Its totient is φ = 36429901200.

The previous prime is 85407882367. The next prime is 85407882491. The reversal of 85407882434 is 43428870458.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14453357 + ... + 14459264.

It is an arithmetic number, because the mean of its divisors is an integer number (9194213796).

Almost surely, 285407882434 is an apocalyptic number.

85407882434 is a deficient number, since it is larger than the sum of its proper divisors (61699538302).

85407882434 is a wasteful number, since it uses less digits than its factorization.

85407882434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912841.

The product of its (nonzero) digits is 6881280, while the sum is 53.

The spelling of 85407882434 in words is "eighty-five billion, four hundred seven million, eight hundred eighty-two thousand, four hundred thirty-four".

Divisors: 1 2 7 14 211 422 1477 2954 28912621 57825242 202388347 404776694 6100563031 12201126062 42703941217 85407882434