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2021203100330 = 251256411608713
BaseRepresentation
bin11101011010011001000…
…101111100001010101010
321011020002010012221121022
4131122121011330022222
5231103410443202310
64144310005012442
7266012203612061
oct35323105741252
97136063187538
102021203100330
1170a2075039a7
122878809b4122
131187a227a69b
146db808711d8
1537899697a55
hex1d69917c2aa

2021203100330 has 16 divisors (see below), whose sum is σ = 3638196798984. Its totient is φ = 808474302720.

The previous prime is 2021203100311. The next prime is 2021203100347. The reversal of 2021203100330 is 330013021202.

It can be written as a sum of positive squares in 4 ways, for example, as 1682854968001 + 338348132329 = 1297249^2 + 581677^2 .

It is a super-2 number, since 2×20212031003302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021203100299 and 2021203100308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452054 + ... + 2060766.

Almost surely, 22021203100330 is an apocalyptic number.

2021203100330 is a deficient number, since it is larger than the sum of its proper divisors (1616993698654).

2021203100330 is a wasteful number, since it uses less digits than its factorization.

2021203100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734361.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2021203100330 its reverse (330013021202), we get a palindrome (2351216121532).

The spelling of 2021203100330 in words is "two trillion, twenty-one billion, two hundred three million, one hundred thousand, three hundred thirty".

Divisors: 1 2 5 10 125641 251282 628205 1256410 1608713 3217426 8043565 16087130 202120310033 404240620066 1010601550165 2021203100330