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210201010120 = 23579101658607
BaseRepresentation
bin1100001111000011110…
…1001101111111001000
3202002120021021200200001
43003300331031333020
511420442424310440
6240322013052344
721120656051203
oct3036075157710
9662507250601
10210201010120
1181166a99082
12348a3a870b4
1316a8b85863a
14a260c0a93a
155703cdab9a
hex30f0f4dfc8

210201010120 has 64 divisors (see below), whose sum is σ = 483681715200. Its totient is φ = 82194028800.

The previous prime is 210201010111. The next prime is 210201010169. The reversal of 210201010120 is 21010102012.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 210201010097 and 210201010106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10144 + ... + 648463.

It is an arithmetic number, because the mean of its divisors is an integer number (7557526800).

Almost surely, 2210201010120 is an apocalyptic number.

210201010120 is a gapful number since it is divisible by the number (20) 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 210201010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241840857600).

210201010120 is an abundant number, since it is smaller than the sum of its proper divisors (273480705080).

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

210201010120 is a wasteful number, since it uses less digits than its factorization.

210201010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658798 (or 658794 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210201010120 its reverse (21010102012), we get a palindrome (231211112132).

The spelling of 210201010120 in words is "two hundred ten billion, two hundred one million, ten thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 79 101 158 202 316 395 404 505 632 790 808 1010 1580 2020 3160 4040 7979 15958 31916 39895 63832 79790 159580 319160 658607 1317214 2634428 3293035 5268856 6586070 13172140 26344280 52029953 66519307 104059906 133038614 208119812 260149765 266077228 332596535 416239624 520299530 532154456 665193070 1040599060 1330386140 2081198120 2660772280 5255025253 10510050506 21020101012 26275126265 42040202024 52550252530 105100505060 210201010120