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105330971648 = 210723363067
BaseRepresentation
bin110001000011000110…
…1110001010000000000
3101001212200210202120002
41202012031301100000
53211204212043043
6120215520135132
710416125325620
oct1420615612000
9331780722502
10105330971648
1140741650aa1
12184b71674a8
139c180c1436
145153078880
152b1726bbb8
hex1886371400

105330971648 has 88 divisors (see below), whose sum is σ = 241675566912. Its totient is φ = 44947390464.

The previous prime is 105330971639. The next prime is 105330971663. The reversal of 105330971648 is 846179033501.

It is a happy number.

It is a super-2 number, since 2×1053309716482 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638611 + ... + 1701677.

Almost surely, 2105330971648 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 105330971648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120837783456).

105330971648 is an abundant number, since it is smaller than the sum of its proper divisors (136344595264).

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

105330971648 is an equidigital number, since it uses as much as digits as its factorization.

105330971648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63327 (or 63309 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 105330971648 in words is "one hundred five billion, three hundred thirty million, nine hundred seventy-one thousand, six hundred forty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 233 256 448 466 512 896 932 1024 1631 1792 1864 3262 3584 3728 6524 7168 7456 13048 14912 26096 29824 52192 59648 63067 104384 119296 126134 208768 238592 252268 417536 441469 504536 835072 882938 1009072 1670144 1765876 2018144 3531752 4036288 7063504 8072576 14127008 14694611 16145152 28254016 29389222 32290304 56508032 58778444 64580608 102862277 113016064 117556888 205724554 226032128 235113776 411449108 452064256 470227552 822898216 940455104 1645796432 1880910208 3291592864 3761820416 6583185728 7523640832 13166371456 15047281664 26332742912 52665485824 105330971648