Search a number
-
+
235216342370881 = 53131277233952289
BaseRepresentation
bin110101011110110110010010…
…100010000100101001000001
31010211211110111022210002022201
4311132312102202010221001
5221312241032121332011
62152132521305033201
7100354551144414304
oct6536662242045101
91124743438702281
10235216342370881
1168a467662111a3
122246a605185801
13a132a6277c2a1
14421276304cb3b
151c2d7b45d2cc1
hexd5ed92884a41

235216342370881 has 32 divisors (see below), whose sum is σ = 242463844022400. Its totient is φ = 228087936061440.

The previous prime is 235216342370879. The next prime is 235216342370897. The reversal of 235216342370881 is 188073243612532.

It is a cyclic number.

It is not a de Polignac number, because 235216342370881 - 21 = 235216342370879 is a prime.

It is a super-2 number, since 2×2352163423708812 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235216342370861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4498364385 + ... + 4498416673.

It is an arithmetic number, because the mean of its divisors is an integer number (7576995125700).

Almost surely, 2235216342370881 is an apocalyptic number.

It is an amenable number.

235216342370881 is a deficient number, since it is larger than the sum of its proper divisors (7247501651519).

235216342370881 is a wasteful number, since it uses less digits than its factorization.

235216342370881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55089.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 235216342370881 in words is "two hundred thirty-five trillion, two hundred sixteen billion, three hundred forty-two million, three hundred seventy thousand, eight hundred eighty-one".

Divisors: 1 53 131 277 2339 6943 14681 36287 52289 123967 306409 647903 1923211 2771317 6849859 14484053 16239677 34338859 84875293 122303971 363042527 767654809 1897410943 4498390529 6482110463 16021820201 33878199967 100562779979 849156470653 1795544598251 4438044195677 235216342370881