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2001376815702 = 2311231113786959
BaseRepresentation
bin11101000111111011010…
…110101010101001010110
321002022220101120100001020
4131013323112222221112
5230242304431100302
64131230402542010
7264410661150015
oct35077326525126
97068811510036
102001376815702
11701863044900
12283a69067906
13116962886214
146cc1d688a7c
15370d8ce2ebc
hex1d1fb5aaa56

2001376815702 has 96 divisors (see below), whose sum is σ = 4581844807680. Its totient is φ = 581719353600.

The previous prime is 2001376815679. The next prime is 2001376815703. The reversal of 2001376815702 is 2075186731002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001376815703) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2149699 + ... + 2936657.

It is an arithmetic number, because the mean of its divisors is an integer number (47727550080).

Almost surely, 22001376815702 is an apocalyptic number.

2001376815702 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001376815702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2290922403840).

2001376815702 is an abundant number, since it is smaller than the sum of its proper divisors (2580467991978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001376815702 is a wasteful number, since it uses less digits than its factorization.

2001376815702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787130 (or 787119 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 2001376815702 in words is "two trillion, one billion, three hundred seventy-six million, eight hundred fifteen thousand, seven hundred two".

Divisors: 1 2 3 6 11 22 31 33 62 66 93 113 121 186 226 242 339 341 363 678 682 726 1023 1243 2046 2486 3503 3729 3751 7006 7458 7502 10509 11253 13673 21018 22506 27346 38533 41019 77066 82038 115599 231198 423863 786959 847726 1271589 1573918 2360877 2543178 4721754 8656549 17313098 24395729 25969647 48791458 51939294 73187187 88926367 95222039 146374374 177852734 190444078 266779101 268353019 285666117 533558202 536706038 571332234 805059057 978190037 1610118114 1956380074 2756717377 2934570111 2951883209 5513434754 5869140222 5903766418 8270152131 8855649627 10760090407 16540304262 17711299254 21520180814 30323891147 32280271221 60647782294 64560542442 90971673441 181943346882 333562802617 667125605234 1000688407851 2001376815702