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201021130231233 = 3139753138020151
BaseRepresentation
bin101101101101001111100001…
…000011110100110111000001
3222100202102200012022110002020
4231231033201003310313001
5202322012233314344413
61551311455442112053
760225204001134324
oct5555174103646701
9870672605273066
10201021130231233
1159062645450764
121a6672a994b629
138822299139310
14378d6904c07bb
15183904a8c9c23
hexb6d3e10f4dc1

201021130231233 has 16 divisors (see below), whose sum is σ = 291621454594176. Its totient is φ = 122429998425600.

The previous prime is 201021130231223. The next prime is 201021130231291. The reversal of 201021130231233 is 332132031120102.

It is not a de Polignac number, because 201021130231233 - 228 = 201020861795777 is a prime.

It is a super-4 number, since 4×2010211302312334 (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (201021130231223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26569006293 + ... + 26569013858.

It is an arithmetic number, because the mean of its divisors is an integer number (18226340912136).

Almost surely, 2201021130231233 is an apocalyptic number.

It is an amenable number.

201021130231233 is a deficient number, since it is larger than the sum of its proper divisors (90600324362943).

201021130231233 is a wasteful number, since it uses less digits than its factorization.

201021130231233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53138020264.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 201021130231233 its reverse (332132031120102), we get a palindrome (533153161351335).

The spelling of 201021130231233 in words is "two hundred one trillion, twenty-one billion, one hundred thirty million, two hundred thirty-one thousand, two hundred thirty-three".

Divisors: 1 3 13 39 97 291 1261 3783 53138020151 159414060453 690794261963 2072382785889 5154387954647 15463163863941 67007043410411 201021130231233