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101382980868 = 223213377182463
BaseRepresentation
bin101111001101011100…
…1011000010100000100
3100200200112222001100100
41132122321120110010
53130113020341433
6114324045044100
710216236055461
oct1363271302404
9320615861310
10101382980868
1139aa60600a4
1217794b56630
1397391ac810
144c9a9c2668
15298586bb13
hex179ae58504

101382980868 has 144 divisors (see below), whose sum is σ = 287441796096. Its totient is φ = 29923810560.

The previous prime is 101382980837. The next prime is 101382980879. The reversal of 101382980868 is 868089283101.

101382980868 is a `hidden beast` number, since 101 + 382 + 9 + 80 + 86 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1188205 + ... + 1270667.

It is an arithmetic number, because the mean of its divisors is an integer number (1996123584).

Almost surely, 2101382980868 is an apocalyptic number.

101382980868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101382980868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143720898048).

101382980868 is an abundant number, since it is smaller than the sum of its proper divisors (186058815228).

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

101382980868 is a wasteful number, since it uses less digits than its factorization.

101382980868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82594 (or 82589 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 101382980868 in words is "one hundred one billion, three hundred eighty-two million, nine hundred eighty thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 37 39 52 71 74 78 111 117 142 148 156 213 222 234 284 333 426 444 468 481 639 666 852 923 962 1278 1332 1443 1846 1924 2556 2627 2769 2886 3692 4329 5254 5538 5772 7881 8307 8658 10508 11076 15762 16614 17316 23643 31524 33228 34151 47286 68302 82463 94572 102453 136604 164926 204906 247389 307359 329852 409812 494778 614718 742167 989556 1072019 1229436 1484334 2144038 2968668 3051131 3216057 4288076 5854873 6102262 6432114 9153393 9648171 11709746 12204524 12864228 17564619 18306786 19296342 23419492 27460179 35129238 36613572 38592684 39664703 52693857 54920358 70258476 76113349 79329406 105387714 109840716 118994109 152226698 158658812 210775428 216630301 228340047 237988218 304453396 356982327 433260602 456680094 475976436 649890903 685020141 713964654 866521204 913360188 1299781806 1370040282 1427929308 1949672709 2599563612 2740080564 2816193913 3899345418 5632387826 7798690836 8448581739 11264775652 16897163478 25345745217 33794326956 50691490434 101382980868