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6623005229 is a prime number
BaseRepresentation
bin1100010101100001…
…10000101000101101
3122002120100112011222
412022300300220231
5102030442131404
63013105553125
7323060421101
oct61260605055
918076315158
106623005229
112899571945
12134a0457a5
1381718a909
1446b863901
1528b69bdbe
hex18ac30a2d

6623005229 has 2 divisors, whose sum is σ = 6623005230. Its totient is φ = 6623005228.

The previous prime is 6623005201. The next prime is 6623005271. The reversal of 6623005229 is 9225003266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5871697129 + 751308100 = 76627^2 + 27410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623005229 - 216 = 6622939693 is a prime.

It is a super-2 number, since 2×66230052292 = 87728396526722684882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6623005289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311502614 + 3311502615.

It is an arithmetic number, because the mean of its divisors is an integer number (3311502615).

Almost surely, 26623005229 is an apocalyptic number.

It is an amenable number.

6623005229 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623005229 is an equidigital number, since it uses as much as digits as its factorization.

6623005229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 6623005229 is about 81381.8482771189. The cubic root of 6623005229 is about 1877.9543568074.

The spelling of 6623005229 in words is "six billion, six hundred twenty-three million, five thousand, two hundred twenty-nine".