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201231301103210 = 2577140489195393
BaseRepresentation
bin101101110000010011010000…
…001110000100111001101010
3222101111112011100212221222202
4231300103100032010321222
5202333433201040300320
61551552214501220202
760246324143103320
oct5560232016047152
9871445140787882
10201231301103210
1159133796424584
121a69bb83701662
138839051671b21
14379990b2c3d10
15183e74bc10b75
hexb704d0384e6a

201231301103210 has 32 divisors (see below), whose sum is σ = 419791977844992. Its totient is φ = 68021848258560.

The previous prime is 201231301103171. The next prime is 201231301103219. The reversal of 201231301103210 is 12301103132102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201231301103219) 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, 20244592727 + ... + 20244602666.

It is an arithmetic number, because the mean of its divisors is an integer number (13118499307656).

Almost surely, 2201231301103210 is an apocalyptic number.

201231301103210 is an abundant number, since it is smaller than the sum of its proper divisors (218560676741782).

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

201231301103210 is a wasteful number, since it uses less digits than its factorization.

201231301103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40489195478.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201231301103210 its reverse (12301103132102), we get a palindrome (213532404235312).

The spelling of 201231301103210 in words is "two hundred one trillion, two hundred thirty-one billion, three hundred one million, one hundred three thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 71 142 355 497 710 994 2485 4970 40489195393 80978390786 202445976965 283424367751 404891953930 566848735502 1417121838755 2834243677510 2874732872903 5749465745806 14373664364515 20123130110321 28747328729030 40246260220642 100615650551605 201231301103210