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234254431640420 = 22511712721582021
BaseRepresentation
bin110101010000110110011100…
…001011110101101101100100
31010201102111122010001000220022
4311100312130023311231210
5221201011033444443140
62150115000015454312
7100225216123205312
oct6520663413655544
91121374563030808
10234254431640420
116870582372a264
12223340b3227398
13a093137746279
1441bbd915150b2
151c13766c260b5
hexd50d9c2f5b64

234254431640420 has 12 divisors (see below), whose sum is σ = 491934306444924. Its totient is φ = 93701772656160.

The previous prime is 234254431640419. The next prime is 234254431640423. The reversal of 234254431640420 is 24046134452432.

It can be written as a sum of positive squares in 2 ways, for example, as 132321217585216 + 101933214055204 = 11503096^2 + 10096198^2 .

It is a super-3 number, since 3×2342544316404203 (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (234254431640423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5856360790991 + ... + 5856360791030.

It is an arithmetic number, because the mean of its divisors is an integer number (40994525537077).

Almost surely, 2234254431640420 is an apocalyptic number.

234254431640420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234254431640420 is an abundant number, since it is smaller than the sum of its proper divisors (257679874804504).

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

234254431640420 is a wasteful number, since it uses less digits than its factorization.

234254431640420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712721582030 (or 11712721582028 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 44.

The spelling of 234254431640420 in words is "two hundred thirty-four trillion, two hundred fifty-four billion, four hundred thirty-one million, six hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 11712721582021 23425443164042 46850886328084 58563607910105 117127215820210 234254431640420