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2021130320011 = 11393853466517
BaseRepresentation
bin11101011010010100110…
…000010011100010001011
321011012220001021022202221
4131122110300103202023
5231103233330220021
64144254445034511
7266010331155415
oct35322460234213
97135801238687
102021130320011
1170a17a413a80
12287860555a37
131187901774ca
146db74d279b5
15378930bd241
hex1d694c1388b

2021130320011 has 8 divisors (see below), whose sum is σ = 2204879764464. Its totient is φ = 1837382596320.

The previous prime is 2021130320009. The next prime is 2021130320017. The reversal of 2021130320011 is 1100230311202.

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

It is a cyclic number.

It is not a de Polignac number, because 2021130320011 - 21 = 2021130320009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021130320017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4099125 + ... + 4565641.

It is an arithmetic number, because the mean of its divisors is an integer number (275609970558).

Almost surely, 22021130320011 is an apocalyptic number.

2021130320011 is a deficient number, since it is larger than the sum of its proper divisors (183749444453).

2021130320011 is a wasteful number, since it uses less digits than its factorization.

2021130320011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860381.

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

Adding to 2021130320011 its reverse (1100230311202), we get a palindrome (3121360631213).

The spelling of 2021130320011 in words is "two trillion, twenty-one billion, one hundred thirty million, three hundred twenty thousand, eleven".

Divisors: 1 11 393853 466517 4332383 5131687 183739120001 2021130320011