Search a number
-
+
235172809048690 = 2547998235012549
BaseRepresentation
bin110101011110001101101111…
…101111101000001001110010
31010211200022010102011011222101
4311132031233233220021302
5221311032403104024230
62152100521430531014
7100351450304320522
oct6536155757501162
91124608112134871
10235172809048690
1168a2a256846977
1222462095b06a6a
13a12b915694246
1442105d34cb682
151c2c5b780aaca
hexd5e36fbe8272

235172809048690 has 32 divisors (see below), whose sum is σ = 432322091596800. Its totient is φ = 92066712227904.

The previous prime is 235172809048673. The next prime is 235172809048711. The reversal of 235172809048690 is 96840908271532.

It is a super-2 number, since 2×2351728090486902 (a number of 30 digits) contains 22 as substring.

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, 44410536 + ... + 49423084.

It is an arithmetic number, because the mean of its divisors is an integer number (13510065362400).

It is a 1-persistent number, because it is pandigital, but 2⋅235172809048690 = 470345618097380 is not.

Almost surely, 2235172809048690 is an apocalyptic number.

235172809048690 is a deficient number, since it is larger than the sum of its proper divisors (197149282548110).

235172809048690 is a wasteful number, since it uses less digits than its factorization.

235172809048690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112426.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 235172809048690 in words is "two hundred thirty-five trillion, one hundred seventy-two billion, eight hundred nine million, forty-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 47 94 235 470 99823 199646 499115 998230 4691681 5012549 9383362 10025098 23458405 25062745 46916810 50125490 235589803 471179606 1177949015 2355898030 500367678827 1000735357654 2501838394135 5003676788270 23517280904869 47034561809738 117586404524345 235172809048690