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380222211891 = 3237177612209
BaseRepresentation
bin1011000100001110000…
…00101000011100110011
31100100102100011122011010
411202013000220130303
522212143341240031
6450401025322003
736320155322124
oct5420700503463
91310370148133
10380222211891
11137284587475
1261833796303
1329b15cc6b42
141458d60204b
159d55423246
hex5887028733

380222211891 has 16 divisors (see below), whose sum is σ = 536455595520. Its totient is φ = 239045600640.

The previous prime is 380222211883. The next prime is 380222211907. The reversal of 380222211891 is 198112222083.

It is not a de Polignac number, because 380222211891 - 23 = 380222211883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (380222211851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38801206 + ... + 38811003.

It is an arithmetic number, because the mean of its divisors is an integer number (33528474720).

Almost surely, 2380222211891 is an apocalyptic number.

380222211891 is a deficient number, since it is larger than the sum of its proper divisors (156233383629).

380222211891 is a wasteful number, since it uses less digits than its factorization.

380222211891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77612306.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 380222211891 in words is "three hundred eighty billion, two hundred twenty-two million, two hundred eleven thousand, eight hundred ninety-one".

Divisors: 1 3 23 69 71 213 1633 4899 77612209 232836627 1785080807 5355242421 5510466839 16531400517 126740737297 380222211891