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1680030003596 = 227213180892
BaseRepresentation
bin11000011100101001100…
…101110111000110001100
312221121110011211220011112
4120130221211313012030
5210011200140103341
63323443425311152
7232243465260500
oct30345145670614
95847404756145
101680030003596
1159855115872a
122317267954b8
13c2570334659
145b457436300
152da7c52caeb
hex1872997718c

1680030003596 has 54 divisors (see below), whose sum is σ = 3446594499348. Its totient is φ = 714428245440.

The previous prime is 1680030003551. The next prime is 1680030003601. The reversal of 1680030003596 is 6953000300861.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 207689120 + ... + 207697208.

It is an arithmetic number, because the mean of its divisors is an integer number (63825824062).

Almost surely, 21680030003596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1680030003596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723297249674).

1680030003596 is an abundant number, since it is smaller than the sum of its proper divisors (1766564495752).

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

1680030003596 is an frugal number, since it uses more digits than its factorization.

1680030003596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16327 (or 8229 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 1680030003596 in words is "one trillion, six hundred eighty billion, thirty million, three thousand, five hundred ninety-six".

Divisors: 1 2 4 7 14 28 49 98 131 196 262 524 917 1834 3668 6419 8089 12838 16178 25676 32356 56623 113246 226492 396361 792722 1059659 1585444 2119318 4238636 7417613 14835226 29670452 51923291 65431921 103846582 130863842 207693164 261727684 458023447 916046894 1832093788 3206164129 6412328258 8571581651 12824656516 17143163302 34286326604 60001071557 120002143114 240004286228 420007500899 840015001798 1680030003596