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200211001010981 = 3126872415199523
BaseRepresentation
bin101101100001011101000001…
…100110000110101100100101
3222020212222120220021000002222
4231201131001212012230211
5202220224112224322411
61545451355241242125
760112524150315032
oct5541350146065445
9866788526230088
10200211001010981
1158880010642964
121a556297193345
138793a7c79a8bc
14376239ab9a389
151822e332024db
hexb61741986b25

200211001010981 has 16 divisors (see below), whose sum is σ = 206756972986368. Its totient is φ = 193670508654000.

The previous prime is 200211001010939. The next prime is 200211001011011. The reversal of 200211001010981 is 189010100112002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-200211001010981 is a prime.

It is a super-2 number, since 2×2002110010109812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200211001010981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211001010921) 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, 2011656086 + ... + 2011755608.

It is an arithmetic number, because the mean of its divisors is an integer number (12922310811648).

Almost surely, 2200211001010981 is an apocalyptic number.

It is an amenable number.

200211001010981 is a deficient number, since it is larger than the sum of its proper divisors (6545971975387).

200211001010981 is a wasteful number, since it uses less digits than its factorization.

200211001010981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126392.

The product of its (nonzero) digits is 288, while the sum is 26.

Adding to 200211001010981 its reverse (189010100112002), we get a palindrome (389221101122983).

The spelling of 200211001010981 in words is "two hundred trillion, two hundred eleven billion, one million, ten thousand, nine hundred eighty-one".

Divisors: 1 31 2687 24151 83297 99523 748681 3085213 64893737 267418301 2011705847 2403579973 8289967331 74510979163 6458419387451 200211001010981