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30221013232210 = 253022101323221
BaseRepresentation
bin1101101111100011000001…
…10000100010101001010010
310222000002201101002020112011
412313301200300202221102
512430120113341412320
6144135201455453134
76236252611021663
oct667614060425122
9128002641066464
1030221013232210
1196a1729122669
1234810502271aa
1313b2aa2027028
147669c214736a
153761b7e1105a
hex1b7c60c22a52

30221013232210 has 8 divisors (see below), whose sum is σ = 54397823817996. Its totient is φ = 12088405292880.

The previous prime is 30221013232187. The next prime is 30221013232217. The reversal of 30221013232210 is 1223231012203.

It can be written as a sum of positive squares in 2 ways, for example, as 29064358152769 + 1156655079441 = 5391137^2 + 1075479^2 .

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

It is a super-2 number, since 2×302210132322102 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30221013232217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1511050661601 + ... + 1511050661620.

Almost surely, 230221013232210 is an apocalyptic number.

30221013232210 is a deficient number, since it is larger than the sum of its proper divisors (24176810585786).

30221013232210 is a wasteful number, since it uses less digits than its factorization.

30221013232210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022101323228.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30221013232210 its reverse (1223231012203), we get a palindrome (31444244244413).

The spelling of 30221013232210 in words is "thirty trillion, two hundred twenty-one billion, thirteen million, two hundred thirty-two thousand, two hundred ten".

Divisors: 1 2 5 10 3022101323221 6044202646442 15110506616105 30221013232210