Search a number
-
+
85061148421 = 2911712504819
BaseRepresentation
bin100111100111000001…
…0100001111100000101
322010120001120001102111
41033032002201330011
52343201123222141
6103024311341021
76100615555234
oct1171602417405
9263501501374
1085061148421
113308a889877
121459a981771
1380378532b2
14418cdd6b1b
15232c9a3381
hex13ce0a1f05

85061148421 has 8 divisors (see below), whose sum is σ = 88069471200. Its totient is φ = 82057837680.

The previous prime is 85061148413. The next prime is 85061148433. The reversal of 85061148421 is 12484116058.

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 85061148421 - 23 = 85061148413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85061148451) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1218451 + ... + 1286368.

It is an arithmetic number, because the mean of its divisors is an integer number (11008683900).

Almost surely, 285061148421 is an apocalyptic number.

It is an amenable number.

85061148421 is a deficient number, since it is larger than the sum of its proper divisors (3008322779).

85061148421 is a wasteful number, since it uses less digits than its factorization.

85061148421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506019.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 85061148421 in words is "eighty-five billion, sixty-one million, one hundred forty-eight thousand, four hundred twenty-one".

Divisors: 1 29 1171 33959 2504819 72639751 2933143049 85061148421