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2020102311 = 315123319139
BaseRepresentation
bin111100001101000…
…0101000010100111
312012210011211102010
41320122011002213
513114121233221
6532241445303
7101026405053
oct17032050247
95183154363
102020102311
11947327847
12484640833
13262695216
1415240cc63
15bc533c76
hex786850a7

2020102311 has 16 divisors (see below), whose sum is σ = 2723086080. Its totient is φ = 1332004800.

The previous prime is 2020102297. The next prime is 2020102339. The reversal of 2020102311 is 1132010202.

It is not a de Polignac number, because 2020102311 - 211 = 2020100263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020102361) 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, 95980 + ... + 115118.

It is an arithmetic number, because the mean of its divisors is an integer number (170192880).

Almost surely, 22020102311 is an apocalyptic number.

2020102311 is a deficient number, since it is larger than the sum of its proper divisors (702983769).

2020102311 is a wasteful number, since it uses less digits than its factorization.

2020102311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19526.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2020102311 is about 44945.5482890130. The cubic root of 2020102311 is about 1264.1282064233.

Adding to 2020102311 its reverse (1132010202), we get a palindrome (3152112513).

The spelling of 2020102311 in words is "two billion, twenty million, one hundred two thousand, three hundred eleven".

Divisors: 1 3 151 233 453 699 19139 35183 57417 105549 2889989 4459387 8669967 13378161 673367437 2020102311