Search a number
-
+
231020122010332 = 22233203783980107
BaseRepresentation
bin110100100001110010010000…
…010011101111001011011100
31010021222022022111212021111111
4310201302100103233023130
5220240013202213312312
62135201102351431404
766442436662023154
oct6441622023571334
91107868274767444
10231020122010332
11676790a12134a6
1221ab12b7525564
139bba147720545
14410960d9bd764
151ba956bdeb8a7
hexd21c904ef2dc

231020122010332 has 24 divisors (see below), whose sum is σ = 421994540693376. Its totient is φ = 110453389174128.

The previous prime is 231020122010317. The next prime is 231020122010407. The reversal of 231020122010332 is 233010221020132.

It is a super-2 number, since 2×2310201220103322 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391695378 + ... + 392284729.

It is an arithmetic number, because the mean of its divisors is an integer number (17583105862224).

Almost surely, 2231020122010332 is an apocalyptic number.

It is an amenable number.

231020122010332 is a deficient number, since it is larger than the sum of its proper divisors (190974418683044).

231020122010332 is a wasteful number, since it uses less digits than its factorization.

231020122010332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783983337 (or 783983335 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231020122010332 its reverse (233010221020132), we get a palindrome (464030343030464).

The spelling of 231020122010332 in words is "two hundred thirty-one trillion, twenty billion, one hundred twenty-two million, ten thousand, three hundred thirty-two".

Divisors: 1 2 4 23 46 92 3203 6406 12812 73669 147338 294676 783980107 1567960214 3135920428 18031542461 36063084922 72126169844 2511088282721 5022176565442 10044353130884 57755030502583 115510061005166 231020122010332