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300022311221 = 1959212293691
BaseRepresentation
bin1000101110110101011…
…10010010100100110101
31001200102001220112222122
410113122232102210311
514403421202424341
6345454531205325
730450555365543
oct4273256224465
91050361815878
10300022311221
11106269856026
124a190a46845
13223a4641009
14107420acd93
157c0e61994b
hex45dab92935

300022311221 has 24 divisors (see below), whose sum is σ = 321604951200. Its totient is φ = 279111186720.

The previous prime is 300022311217. The next prime is 300022311287. The reversal of 300022311221 is 122113220003.

It is not a de Polignac number, because 300022311221 - 22 = 300022311217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 300022311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300022331221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81282986 + ... + 81286676.

It is an arithmetic number, because the mean of its divisors is an integer number (13400206300).

Almost surely, 2300022311221 is an apocalyptic number.

It is an amenable number.

300022311221 is a deficient number, since it is larger than the sum of its proper divisors (21582639979).

300022311221 is a wasteful number, since it uses less digits than its factorization.

300022311221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 300022311221 its reverse (122113220003), we get a palindrome (422135531224).

The spelling of 300022311221 in words is "three hundred billion, twenty-two million, three hundred eleven thousand, two hundred twenty-one".

Divisors: 1 19 59 1121 1229 3481 3691 23351 66139 70129 72511 217769 1377709 4137611 4278149 4536239 12848371 81284831 86188541 244119049 267638101 5085123919 15790647959 300022311221