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1349123369 = 11791552501
BaseRepresentation
bin101000001101001…
…1111110100101001
310111000121120100012
41100122133310221
510230333421434
6341512221305
745301234166
oct12032376451
93430546305
101349123369
116325aa3a0
1231799a835
13186677369
14cb26b06d
157d6953ce
hex5069fd29

1349123369 has 8 divisors (see below), whose sum is σ = 1490401920. Its totient is φ = 1210950000.

The previous prime is 1349123311. The next prime is 1349123371. The reversal of 1349123369 is 9633219431.

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 1349123369 - 224 = 1332346153 is a prime.

It is a super-2 number, since 2×13491233692 = 3640267729563820322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349123309) 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, 775382 + ... + 777119.

It is an arithmetic number, because the mean of its divisors is an integer number (186300240).

Almost surely, 21349123369 is an apocalyptic number.

It is an amenable number.

1349123369 is a deficient number, since it is larger than the sum of its proper divisors (141278551).

1349123369 is a wasteful number, since it uses less digits than its factorization.

1349123369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552591.

The product of its digits is 104976, while the sum is 41.

The square root of 1349123369 is about 36730.4147676010. The cubic root of 1349123369 is about 1104.9701728878.

The spelling of 1349123369 in words is "one billion, three hundred forty-nine million, one hundred twenty-three thousand, three hundred sixty-nine".

Divisors: 1 11 79 869 1552501 17077511 122647579 1349123369