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2100031031010 = 2351173619140831
BaseRepresentation
bin11110100011110011100…
…110101000011011100010
321102202112202212201202110
4132203303212220123202
5233401330420443020
64244424013100150
7304502504145003
oct36436346503342
97382482781673
102100031031010
1173a688850a50
1229b000187656
1312305561a153
14738dbaab1aa
153995ece68e0
hex1e8f39a86e2

2100031031010 has 128 divisors (see below), whose sum is σ = 5582625546240. Its totient is φ = 501309734400.

The previous prime is 2100031030997. The next prime is 2100031031017. The reversal of 2100031031010 is 101301300012.

It is not an unprimeable number, because it can be changed into a prime (2100031031017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14841295 + ... + 14982125.

It is an arithmetic number, because the mean of its divisors is an integer number (43614262080).

Almost surely, 22100031031010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100031031010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2791312773120).

2100031031010 is an abundant number, since it is smaller than the sum of its proper divisors (3482594515230).

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

2100031031010 is a wasteful number, since it uses less digits than its factorization.

2100031031010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141544.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 2100031031010 its reverse (101301300012), we get a palindrome (2201332331022).

The spelling of 2100031031010 in words is "two trillion, one hundred billion, thirty-one million, thirty-one thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 73 110 146 165 219 330 365 438 619 730 803 1095 1238 1606 1857 2190 2409 3095 3714 4015 4818 6190 6809 8030 9285 12045 13618 18570 20427 24090 34045 40854 45187 68090 90374 102135 135561 140831 204270 225935 271122 281662 422493 451870 497057 677805 704155 844986 994114 1355610 1408310 1491171 1549141 2112465 2485285 2982342 3098282 4224930 4647423 4970570 7455855 7745705 9294846 10280663 14911710 15491410 20561326 23237115 30841989 46474230 51403315 61683978 87174389 102806630 113087293 154209945 174348778 226174586 261523167 308419890 339261879 435871945 523046334 565436465 678523758 871743890 958918279 1130872930 1307615835 1696309395 1917836558 2615231670 2876754837 3392618790 4794591395 5753509674 6363730397 9589182790 12727460794 14383774185 19091191191 28767548370 31818651985 38182382382 63637303970 70001034367 95455955955 140002068734 190911911910 210003103101 350005171835 420006206202 700010343670 1050015515505 2100031031010