Search a number
-
+
84615465385 = 51110115232307
BaseRepresentation
bin100111011001101111…
…0011000100110101001
322002101222221000020101
41032303132120212221
52341243024343020
6102512151025401
76053564405623
oct1166336304651
9262358830211
1084615465385
1132981251590
121449566b261
137c96408519
144149b3dc13
1523037b900a
hex13b37989a9

84615465385 has 16 divisors (see below), whose sum is σ = 111866069952. Its totient is φ = 60929224000.

The previous prime is 84615465359. The next prime is 84615465391. The reversal of 84615465385 is 58356451648.

It is not a de Polignac number, because 84615465385 - 219 = 84614941097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7610599 + ... + 7621708.

It is an arithmetic number, because the mean of its divisors is an integer number (6991629372).

Almost surely, 284615465385 is an apocalyptic number.

It is an amenable number.

84615465385 is a deficient number, since it is larger than the sum of its proper divisors (27250604567).

84615465385 is a wasteful number, since it uses less digits than its factorization.

84615465385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15232424.

The product of its digits is 13824000, while the sum is 55.

The spelling of 84615465385 in words is "eighty-four billion, six hundred fifteen million, four hundred sixty-five thousand, three hundred eighty-five".

Divisors: 1 5 11 55 101 505 1111 5555 15232307 76161535 167555377 837776885 1538463007 7692315035 16923093077 84615465385