Search a number
-
+
28528637034 = 2331153379769
BaseRepresentation
bin11010100100011100…
…000111010001101010
32201122012122220211110
4122210130013101222
5431411312341114
621034511411150
72026652261622
oct324434072152
981565586743
1028528637034
111110a743287
125642223ab6
1328c85bb621
141548c7b882
15b1e889759
hex6a470746a

28528637034 has 16 divisors (see below), whose sum is σ = 58897831680. Its totient is φ = 9202786080.

The previous prime is 28528636979. The next prime is 28528637041. The reversal of 28528637034 is 43073682582.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76689699 + ... + 76690070.

It is an arithmetic number, because the mean of its divisors is an integer number (3681114480).

Almost surely, 228528637034 is an apocalyptic number.

28528637034 is an abundant number, since it is smaller than the sum of its proper divisors (30369194646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28528637034 is a wasteful number, since it uses less digits than its factorization.

28528637034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153379805.

The product of its (nonzero) digits is 1935360, while the sum is 48.

The spelling of 28528637034 in words is "twenty-eight billion, five hundred twenty-eight million, six hundred thirty-seven thousand, thirty-four".

Divisors: 1 2 3 6 31 62 93 186 153379769 306759538 460139307 920278614 4754772839 9509545678 14264318517 28528637034