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1375831413 = 34119715919
BaseRepresentation
bin101001000000001…
…1000010101110101
310112212212110220000
41102000120111311
510304203101123
6344304501513
746044242205
oct12200302565
93485773800
101375831413
11646691560
1232491a899
1318c068b38
14d0a20405
1580bbdb43
hex52018575

1375831413 has 40 divisors (see below), whose sum is σ = 2265352320. Its totient is φ = 825189120.

The previous prime is 1375831381. The next prime is 1375831417. The reversal of 1375831413 is 3141385731.

1375831413 is a `hidden beast` number, since 1 + 37 + 583 + 1 + 41 + 3 = 666.

It is not a de Polignac number, because 1375831413 - 25 = 1375831381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375831417) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 78468 + ... + 94386.

It is an arithmetic number, because the mean of its divisors is an integer number (56633808).

Almost surely, 21375831413 is an apocalyptic number.

It is an amenable number.

1375831413 is a deficient number, since it is larger than the sum of its proper divisors (889520907).

1375831413 is a wasteful number, since it uses less digits than its factorization.

1375831413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16039 (or 16030 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1375831413 is about 37092.2015119081. The cubic root of 1375831413 is about 1112.2141269089.

The spelling of 1375831413 in words is "one billion, three hundred seventy-five million, eight hundred thirty-one thousand, four hundred thirteen".

Divisors: 1 3 9 11 27 33 81 97 99 291 297 873 891 1067 2619 3201 7857 9603 15919 28809 47757 86427 143271 175109 429813 525327 1289439 1544143 1575981 4632429 4727943 13897287 14183829 16985573 41691861 50956719 125075583 152870157 458610471 1375831413