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2021130320330 = 251171258787493
BaseRepresentation
bin11101011010010100110…
…000010011100111001010
321011012220001021100012202
4131122110300103213022
5231103233330222310
64144254445040202
7266010331156352
oct35322460234712
97135801240182
102021130320330
1170a17a414240
12287860556062
131187901776b4
146db74d27b62
15378930bd3a5
hex1d694c139ca

2021130320330 has 32 divisors (see below), whose sum is σ = 4024663106688. Its totient is φ = 724604977600.

The previous prime is 2021130320329. The next prime is 2021130320351. The reversal of 2021130320330 is 330230311202.

It is a super-2 number, since 2×20211303203302 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129385937 + ... + 129401556.

It is an arithmetic number, because the mean of its divisors is an integer number (125770722084).

Almost surely, 22021130320330 is an apocalyptic number.

2021130320330 is a deficient number, since it is larger than the sum of its proper divisors (2003532786358).

2021130320330 is a wasteful number, since it uses less digits than its factorization.

2021130320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258787582.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2021130320330 its reverse (330230311202), we get a palindrome (2351360631532).

The spelling of 2021130320330 in words is "two trillion, twenty-one billion, one hundred thirty million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 71 110 142 355 710 781 1562 3905 7810 258787493 517574986 1293937465 2587874930 2846662423 5693324846 14233312115 18373912003 28466624230 36747824006 91869560015 183739120030 202113032033 404226064066 1010565160165 2021130320330