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20090911101 = 37043950869
BaseRepresentation
bin10010101101100000…
…101111100101111101
31220212011121000211120
4102231200233211331
5312121233123401
613121333541153
71310604632562
oct225540574575
956764530746
1020090911101
11857a882968
123a884a47b9
131b824884a1
14d883cc869
157c8c27836
hex4ad82f97d

20090911101 has 8 divisors (see below), whose sum is σ = 26791713120. Its totient is φ = 13392024912.

The previous prime is 20090911097. The next prime is 20090911147. The reversal of 20090911101 is 10111909002.

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

It is not a de Polignac number, because 20090911101 - 22 = 20090911097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090915101) 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, 454306 + ... + 496563.

It is an arithmetic number, because the mean of its divisors is an integer number (3348964140).

Almost surely, 220090911101 is an apocalyptic number.

It is an amenable number.

20090911101 is a deficient number, since it is larger than the sum of its proper divisors (6700802019).

20090911101 is an equidigital number, since it uses as much as digits as its factorization.

20090911101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957915.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 20090911101 in words is "twenty billion, ninety million, nine hundred eleven thousand, one hundred one".

Divisors: 1 3 7043 21129 950869 2852607 6696970367 20090911101