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2021323222330 = 252973541176489
BaseRepresentation
bin11101011010100000010…
…000001010110100111010
321011020101111020210000021
4131122200100022310322
5231104132221103310
64144325535401054
7266015162622016
oct35324020126472
97136344223007
102021323222330
1170a269299385
122878b508318a
131187c1117ca9
146db927bd546
15378a4ec45da
hex1d6a040ad3a

2021323222330 has 64 divisors (see below), whose sum is σ = 3822476896800. Its totient is φ = 768527585280.

The previous prime is 2021323222319. The next prime is 2021323222333. The reversal of 2021323222330 is 332223231202.

It can be written as a sum of positive squares in 16 ways, for example, as 72761286049 + 1948561936281 = 269743^2 + 1395909^2 .

It is a super-2 number, since 2×20213232223302 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2021323222295 and 2021323222304.

It is not an unprimeable number, because it can be changed into a prime (2021323222333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11364726 + ... + 11541214.

Almost surely, 22021323222330 is an apocalyptic number.

2021323222330 is a deficient number, since it is larger than the sum of its proper divisors (1801153674470).

2021323222330 is a wasteful number, since it uses less digits than its factorization.

2021323222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177139.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 2021323222330 its reverse (332223231202), we get a palindrome (2353546453532).

The spelling of 2021323222330 in words is "two trillion, twenty-one billion, three hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 73 145 146 290 365 541 730 1082 2117 2705 4234 5410 10585 15689 21170 31378 39493 78445 78986 156890 176489 197465 352978 394930 882445 1145297 1764890 2290594 5118181 5726485 10236362 11452970 12883697 25590905 25767394 51181810 64418485 95480549 128836970 190961098 373627213 477402745 747254426 954805490 1868136065 2768935921 3736272130 5537871842 6970080077 13844679605 13940160154 27689359210 34850400385 69700800770 202132322233 404264644466 1010661611165 2021323222330