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1379353365831 = 371674635471553
BaseRepresentation
bin10100000100100111110…
…111100000110101000111
311212212100111201002220110
4110010213313200311013
5140044403430201311
62533355521404103
7201440443105230
oct24044767406507
94785314632813
101379353365831
11491a87019471
121a33b2799633
13a00c328628c
144aa924bc087
1525d307638a6
hex14127de0d47

1379353365831 has 64 divisors (see below), whose sum is σ = 2124265586688. Its totient is φ = 779858247168.

The previous prime is 1379353365829. The next prime is 1379353365847. The reversal of 1379353365831 is 1385633539731.

It is not a de Polignac number, because 1379353365831 - 21 = 1379353365829 is a prime.

It is a super-2 number, since 2×13793533658312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379353365821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 888185551 + ... + 888187103.

It is an arithmetic number, because the mean of its divisors is an integer number (33191649792).

Almost surely, 21379353365831 is an apocalyptic number.

1379353365831 is a deficient number, since it is larger than the sum of its proper divisors (744912220857).

1379353365831 is a wasteful number, since it uses less digits than its factorization.

1379353365831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its digits is 18370800, while the sum is 57.

The spelling of 1379353365831 in words is "one trillion, three hundred seventy-nine billion, three hundred fifty-three million, three hundred sixty-five thousand, eight hundred thirty-one".

Divisors: 1 3 7 21 167 463 501 547 1169 1389 1553 1641 3241 3507 3829 4659 9723 10871 11487 32613 77321 91349 231963 253261 259351 274047 541247 639443 719039 759783 778053 849491 1623741 1772827 1815457 1918329 2157117 2548473 5033273 5318481 5446371 5946437 15099819 17839311 42294587 120079513 126883761 141864997 296062109 360238539 393314333 425594991 840556591 888186327 993054979 1179942999 2521669773 2753200331 2979164937 8259600993 65683493611 197050480833 459784455277 1379353365831