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20100033101 = 191289820711
BaseRepresentation
bin10010101110000011…
…100010101001001101
31220212210202110212102
4102232003202221031
5312131102024401
613122301244445
71311045314411
oct225603425115
956783673772
1020100033101
118584a43405
123a8b563725
131b84330515
14d896c4d41
157c992a56b
hex4ae0e2a4d

20100033101 has 8 divisors (see below), whose sum is σ = 21174369600. Its totient is φ = 19027340640.

The previous prime is 20100033073. The next prime is 20100033137. The reversal of 20100033101 is 10133000102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20100033101 is a prime.

It is a super-2 number, since 2×201000331012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100033001) 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, 385865 + ... + 434846.

It is an arithmetic number, because the mean of its divisors is an integer number (2646796200).

Almost surely, 220100033101 is an apocalyptic number.

It is an amenable number.

20100033101 is a deficient number, since it is larger than the sum of its proper divisors (1074336499).

20100033101 is a wasteful number, since it uses less digits than its factorization.

20100033101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822019.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 20100033101 its reverse (10133000102), we get a palindrome (30233033203).

The spelling of 20100033101 in words is "twenty billion, one hundred million, thirty-three thousand, one hundred one".

Divisors: 1 19 1289 24491 820711 15593509 1057896479 20100033101