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2111030213020 = 2251051100429601
BaseRepresentation
bin11110101110000011001…
…101001011100110011100
321110210221022210001220221
4132232003031023212130
5234041342213304040
64253443251451124
7305342203513021
oct36560315134634
97423838701827
102111030213020
11744312580213
122a116b8b6aa4
131240b9319381
1474262807548
1539da577374a
hex1eb8334b99c

2111030213020 has 24 divisors (see below), whose sum is σ = 4437381534768. Its totient is φ = 843608640000.

The previous prime is 2111030213003. The next prime is 2111030213029. The reversal of 2111030213020 is 203120301112.

It is a junction number, because it is equal to n+sod(n) for n = 2111030212985 and 2111030213003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111030213029) 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, 50193781 + ... + 50235820.

It is an arithmetic number, because the mean of its divisors is an integer number (184890897282).

Almost surely, 22111030213020 is an apocalyptic number.

2111030213020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111030213020 is an abundant number, since it is smaller than the sum of its proper divisors (2326351321748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2111030213020 is a wasteful number, since it uses less digits than its factorization.

2111030213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100430661 (or 100430659 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2111030213020 its reverse (203120301112), we get a palindrome (2314150514132).

The spelling of 2111030213020 in words is "two trillion, one hundred eleven billion, thirty million, two hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 1051 2102 4204 5255 10510 21020 100429601 200859202 401718404 502148005 1004296010 2008592020 105551510651 211103021302 422206042604 527757553255 1055515106510 2111030213020