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101210101002 = 232232777011259
BaseRepresentation
bin101111001000010010…
…1111001010100001010
3100200020111122211202100
41132100211321110022
53124234241213002
6114254551414230
710212036443523
oct1362045712412
9320214584670
10101210101002
1139a1751097a
1217747084376
13970c42c73a
144c81a5d84a
1529755bd11c
hex179097950a

101210101002 has 96 divisors (see below), whose sum is σ = 230159180160. Its totient is φ = 32082019200.

The previous prime is 101210100989. The next prime is 101210101063. The reversal of 101210101002 is 200101012101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 80388649 + ... + 80389907.

It is an arithmetic number, because the mean of its divisors is an integer number (2397491460).

Almost surely, 2101210101002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101210101002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115079590080).

101210101002 is an abundant number, since it is smaller than the sum of its proper divisors (128949079158).

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

101210101002 is a wasteful number, since it uses less digits than its factorization.

101210101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2265 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101210101002 its reverse (200101012101), we get a palindrome (301311113103).

The spelling of 101210101002 in words is "one hundred one billion, two hundred ten million, one hundred one thousand, two".

Divisors: 1 2 3 6 9 18 23 46 69 138 207 277 414 554 701 831 1259 1402 1662 2103 2493 2518 3777 4206 4986 6309 6371 7554 11331 12618 12742 16123 19113 22662 28957 32246 38226 48369 57339 57914 86871 96738 114678 145107 173742 194177 260613 290214 348743 388354 521226 582531 697486 882559 1046229 1165062 1747593 1765118 2092458 2647677 3138687 3495186 4466071 5295354 6277374 7943031 8021089 8932142 13398213 15886062 16042178 20298857 24063267 26796426 40194639 40597714 48126534 60896571 72189801 80389278 121793142 144379602 182689713 244468843 365379426 488937686 733406529 1466813058 2200219587 4400439174 5622783389 11245566778 16868350167 33736700334 50605050501 101210101002