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30212013211 = 294125409599
BaseRepresentation
bin11100001000110001…
…101011110010011011
32212222112020021211021
4130020301223302123
5443333233410321
621513524143311
72116452606112
oct341061536233
985875207737
1030212013211
11118a3991766
125a31b37b37
132b062973c3
141668676c79
15bbc557941
hex708c6bc9b

30212013211 has 8 divisors (see below), whose sum is σ = 32016096000. Its totient is φ = 28458749760.

The previous prime is 30212013191. The next prime is 30212013217. The reversal of 30212013211 is 11231021203.

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

It is a cyclic number.

It is not a de Polignac number, because 30212013211 - 211 = 30212011163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212013217) 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, 12703611 + ... + 12705988.

It is an arithmetic number, because the mean of its divisors is an integer number (4002012000).

Almost surely, 230212013211 is an apocalyptic number.

30212013211 is a deficient number, since it is larger than the sum of its proper divisors (1804082789).

30212013211 is a wasteful number, since it uses less digits than its factorization.

30212013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25409669.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30212013211 its reverse (11231021203), we get a palindrome (41443034414).

The spelling of 30212013211 in words is "thirty billion, two hundred twelve million, thirteen thousand, two hundred eleven".

Divisors: 1 29 41 1189 25409599 736878371 1041793559 30212013211