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200011223031 = 3258672577431
BaseRepresentation
bin1011101001000110011…
…0010000111111110111
3201010021010101212121020
42322101212100333313
511234110333114111
6231514530352223
720310315226134
oct2722146207767
9633233355536
10200011223031
1177908137234
123291b42b673
1315b2674b619
1499757a358b
15530943e906
hex2e91990ff7

200011223031 has 8 divisors (see below), whose sum is σ = 266692043904. Its totient is φ = 133335608760.

The previous prime is 200011223021. The next prime is 200011223089. The reversal of 200011223031 is 130322110002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200011223031 - 29 = 200011222519 is a prime.

It is a super-2 number, since 2×2000112230312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200011223031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200011223021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1211115 + ... + 1366316.

It is an arithmetic number, because the mean of its divisors is an integer number (33336505488).

Almost surely, 2200011223031 is an apocalyptic number.

200011223031 is a deficient number, since it is larger than the sum of its proper divisors (66680820873).

200011223031 is a wasteful number, since it uses less digits than its factorization.

200011223031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603301.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200011223031 its reverse (130322110002), we get a palindrome (330333333033).

The spelling of 200011223031 in words is "two hundred billion, eleven million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 3 25867 77601 2577431 7732293 66670407677 200011223031