Search a number
-
+
80235053208 = 23325631979353
BaseRepresentation
bin100101010111001100…
…0011100000010011000
321200002201102000101100
41022232120130002120
52303310133200313
6100505351351400
75540204461632
oct1125630340230
9250081360340
1080235053208
1131033661032
1213672682560
137748a4315b
143c52083a52
152148e4e173
hex12ae61c098

80235053208 has 48 divisors (see below), whose sum is σ = 217689352920. Its totient is φ = 26697499776.

The previous prime is 80235053191. The next prime is 80235053219.

80235053208 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949141 + ... + 1030212.

Almost surely, 280235053208 is an apocalyptic number.

It is an amenable number.

80235053208 is an abundant number, since it is smaller than the sum of its proper divisors (137454299712).

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

80235053208 is a wasteful number, since it uses less digits than its factorization.

80235053208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979928 (or 1979921 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

It can be divided in two parts, 802350 and 53208, that added together give a palindrome (855558).

The spelling of 80235053208 in words is "eighty billion, two hundred thirty-five million, fifty-three thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 563 1126 1689 2252 3378 4504 5067 6756 10134 13512 20268 40536 1979353 3958706 5938059 7917412 11876118 15834824 17814177 23752236 35628354 47504472 71256708 142513416 1114375739 2228751478 3343127217 4457502956 6686254434 8915005912 10029381651 13372508868 20058763302 26745017736 40117526604 80235053208