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100112130 = 23257115667
BaseRepresentation
bin1011111011110…
…01011100000010
320222101020000200
411331321130002
5201112042010
613533430030
72323640046
oct575713402
9228336020
10100112130
11515687a8
122963b316
1317982861
14d420026
158bc7cc0
hex5f79702

100112130 has 48 divisors (see below), whose sum is σ = 263974464. Its totient is φ = 26318880.

The previous prime is 100112107. The next prime is 100112141. The reversal of 100112130 is 31211001.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1444 + ... + 14223.

It is an arithmetic number, because the mean of its divisors is an integer number (5499468).

Almost surely, 2100112130 is an apocalyptic number.

100112130 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 100112130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131987232).

100112130 is an abundant number, since it is smaller than the sum of its proper divisors (163862334).

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

100112130 is a wasteful number, since it uses less digits than its factorization.

100112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15751 (or 15748 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 100112130 is about 10005.6049292384. The cubic root of 100112130 is about 464.3323056766.

Adding to 100112130 its reverse (31211001), we get a palindrome (131323131).

It can be divided in two parts, 1001 and 12130, that added together give a palindrome (13131).

The spelling of 100112130 in words is "one hundred million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 355 426 639 710 1065 1278 2130 3195 6390 15667 31334 47001 78335 94002 141003 156670 235005 282006 470010 705015 1112357 1410030 2224714 3337071 5561785 6674142 10011213 11123570 16685355 20022426 33370710 50056065 100112130