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30212220010001 = 1710944411623833
BaseRepresentation
bin1101101111010010101001…
…01001000011111000010001
310221222021000120002021022112
412313221110221003320101
512424444111310310001
6144131145142315105
76235521655614431
oct667512451037021
9127867016067275
1030212220010001
119698a26623677
12347b3b7428a95
1313b2000365073
147663ca39a2c1
15375d50e7bcbb
hex1b7a54a43e11

30212220010001 has 8 divisors (see below), whose sum is σ = 31989458351304. Its totient is φ = 28434987105280.

The previous prime is 30212220009977. The next prime is 30212220010013. The reversal of 30212220010001 is 10001002221203.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13924659443776 + 16287560566225 = 3731576^2 + 4035785^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30212220010001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30212220010031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17793581 + ... + 19417413.

It is an arithmetic number, because the mean of its divisors is an integer number (3998682293913).

Almost surely, 230212220010001 is an apocalyptic number.

It is an amenable number.

30212220010001 is a deficient number, since it is larger than the sum of its proper divisors (1777238341303).

30212220010001 is a wasteful number, since it uses less digits than its factorization.

30212220010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718291.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30212220010001 its reverse (10001002221203), we get a palindrome (40213222231204).

The spelling of 30212220010001 in words is "thirty trillion, two hundred twelve billion, two hundred twenty million, ten thousand, one".

Divisors: 1 17 1094441 1623833 18605497 27605161 1777189412353 30212220010001