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101331030210 = 23531166365519
BaseRepresentation
bin101111001011111001…
…1001101000011000010
3100200112221012200102220
41132113303031003002
53130011220431320
6114314551351510
710215035355024
oct1362763150302
9320487180386
10101331030210
1139a797a7873
121777b682596
13972b4c0597
144c93b3c014
152981008e40
hex1797ccd0c2

101331030210 has 64 divisors (see below), whose sum is σ = 251194245120. Its totient is φ = 26133819840.

The previous prime is 101331030209. The next prime is 101331030217. The reversal of 101331030210 is 12030133101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101331030210.

It is not an unprimeable number, because it can be changed into a prime (101331030217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1513831 + ... + 1579349.

It is an arithmetic number, because the mean of its divisors is an integer number (3924910080).

Almost surely, 2101331030210 is an apocalyptic number.

101331030210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101331030210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125597122560).

101331030210 is an abundant number, since it is smaller than the sum of its proper divisors (149863214910).

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

101331030210 is a wasteful number, since it uses less digits than its factorization.

101331030210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67223.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 101331030210 its reverse (12030133101), we get a palindrome (113361163311).

The spelling of 101331030210 in words is "one hundred one billion, three hundred thirty-one million, thirty thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1663 3326 4989 8315 9978 16630 24945 49890 51553 65519 103106 131038 154659 196557 257765 309318 327595 393114 515530 655190 773295 982785 1546590 1965570 2031089 4062178 6093267 10155445 12186534 20310890 30466335 60932670 108958097 217916194 326874291 544790485 653748582 1089580970 1634371455 3268742910 3377701007 6755402014 10133103021 16888505035 20266206042 33777010070 50665515105 101331030210