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101312120210 = 25723112752517
BaseRepresentation
bin101111001011010101…
…1000100010110010010
3100200111121121221210112
41132112223010112102
53124441400321320
6114313034201322
710214415545600
oct1362653042622
9320447557715
10101312120210
1139a6a061474
1217775283242
1397275cc332
144c91418870
15297e520ec5
hex1796ac4592

101312120210 has 96 divisors (see below), whose sum is σ = 220706684928. Its totient is φ = 33349760640.

The previous prime is 101312120209. The next prime is 101312120213. The reversal of 101312120210 is 12021213101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101312120213) 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, 1902872 + ... + 1955388.

It is an arithmetic number, because the mean of its divisors is an integer number (2299027968).

Almost surely, 2101312120210 is an apocalyptic number.

101312120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101312120210 is an abundant number, since it is smaller than the sum of its proper divisors (119394564718).

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

101312120210 is a wasteful number, since it uses less digits than its factorization.

101312120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52696 (or 52689 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101312120210 its reverse (12021213101), we get a palindrome (113333333311).

The spelling of 101312120210 in words is "one hundred one billion, three hundred twelve million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 31 35 49 62 70 98 127 155 217 245 254 310 434 490 635 889 1085 1270 1519 1778 2170 3038 3937 4445 6223 7595 7874 8890 12446 15190 19685 27559 31115 39370 52517 55118 62230 105034 137795 192913 262585 275590 367619 385826 525170 735238 964565 1628027 1838095 1929130 2573333 3256054 3676190 5146666 6669659 8140135 11396189 12866665 13339318 16280270 22792378 25733330 33348295 46687613 56980945 66696590 79773323 93375226 113961890 159546646 206759429 233438065 326813291 398866615 413518858 466876130 653626582 797733230 1033797145 1447316003 1634066455 2067594290 2894632006 3268132910 7236580015 10131212021 14473160030 20262424042 50656060105 101312120210