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30221201210208 = 253314804179273
BaseRepresentation
bin1101101111100011010111…
…11101100111101101100000
310222000010012110210111212020
412313301223331213231200
512430121010002211313
6144135232252501440
76236260352555541
oct667615375475540
9128003173714766
1030221201210208
1196a1815244288
1234810a317a880
1313b2b01c62308
147669dd0ba4c8
153761c9693323
hex1b7c6bf67b60

30221201210208 has 24 divisors (see below), whose sum is σ = 79330653177048. Its totient is φ = 10073733736704.

The previous prime is 30221201210197. The next prime is 30221201210237. The reversal of 30221201210208 is 80201210212203.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×302212012102083 (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157402089541 + ... + 157402089732.

It is an arithmetic number, because the mean of its divisors is an integer number (3305443882377).

Almost surely, 230221201210208 is an apocalyptic number.

It is an amenable number.

30221201210208 is an abundant number, since it is smaller than the sum of its proper divisors (49109451966840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30221201210208 is a wasteful number, since it uses less digits than its factorization.

30221201210208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314804179286 (or 314804179278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The spelling of 30221201210208 in words is "thirty trillion, two hundred twenty-one billion, two hundred one million, two hundred ten thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 314804179273 629608358546 944412537819 1259216717092 1888825075638 2518433434184 3777650151276 5036866868368 7555300302552 10073733736736 15110600605104 30221201210208