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2100320110 = 257163718329
BaseRepresentation
bin111110100110000…
…0101011101101110
312102101010022112201
41331030011131232
513300140220420
6544225052114
7103022266150
oct17514053556
95371108481
102100320110
11988637649
124a748703a
132761a0785
1415cd30ad0
15c45cc10a
hex7d30576e

2100320110 has 32 divisors (see below), whose sum is σ = 4323533760. Its totient is φ = 719630592.

The previous prime is 2100320051. The next prime is 2100320111. The reversal of 2100320110 is 110230012.

It is a super-2 number, since 2×21003201102 = 8822689128940824200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100320111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105426 + ... + 123754.

It is an arithmetic number, because the mean of its divisors is an integer number (135110430).

Almost surely, 22100320110 is an apocalyptic number.

2100320110 is an abundant number, since it is smaller than the sum of its proper divisors (2223213650).

2100320110 is a wasteful number, since it uses less digits than its factorization.

2100320110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2100320110 is about 45829.2495029103. The cubic root of 2100320110 is about 1280.6442293319.

Adding to 2100320110 its reverse (110230012), we get a palindrome (2210550122).

The spelling of 2100320110 in words is "two billion, one hundred million, three hundred twenty thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1637 3274 8185 11459 16370 18329 22918 36658 57295 91645 114590 128303 183290 256606 641515 1283030 30004573 60009146 150022865 210032011 300045730 420064022 1050160055 2100320110