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1348228161 = 327316111317
BaseRepresentation
bin101000001011100…
…0101010001000001
310110221221002100100
41100113011101001
510230121300121
6341441113013
745260515230
oct12027052101
93427832310
101348228161
11632048855
12317628769
13186422a57
14cb0b6b17
157d56a026
hex505c5441

1348228161 has 48 divisors (see below), whose sum is σ = 2335310848. Its totient is φ = 733276800.

The previous prime is 1348228127. The next prime is 1348228187. The reversal of 1348228161 is 1618228431.

1348228161 is a `hidden beast` number, since 13 + 482 + 2 + 8 + 161 = 666.

It is not a de Polignac number, because 1348228161 - 218 = 1347966017 is a prime.

It is a super-2 number, since 2×13482281612 = 3635438348226883842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1348228121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113475 + ... + 124791.

Almost surely, 21348228161 is an apocalyptic number.

It is an amenable number.

1348228161 is a deficient number, since it is larger than the sum of its proper divisors (987082687).

1348228161 is a wasteful number, since it uses less digits than its factorization.

1348228161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11422 (or 11419 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 1348228161 is about 36718.2265503115. The cubic root of 1348228161 is about 1104.7257185922.

The spelling of 1348228161 in words is "one billion, three hundred forty-eight million, two hundred twenty-eight thousand, one hundred sixty-one".

Divisors: 1 3 7 9 21 31 61 63 93 183 217 279 427 549 651 1281 1891 1953 3843 5673 11317 13237 17019 33951 39711 79219 101853 119133 237657 350827 690337 712971 1052481 2071011 2455789 3157443 4832359 6213033 7367367 14497077 21400447 22102101 43491231 64201341 149803129 192604023 449409387 1348228161