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2100496040 = 23552512401
BaseRepresentation
bin111110100110011…
…0000011010101000
312102101110020212122
41331030300122220
513300211333130
6544232530412
7103023631106
oct17514603250
95371406778
102100496040
11988747845
124a7550a08
13276232886
1415cd78c76
15c46142e5
hex7d3306a8

2100496040 has 16 divisors (see below), whose sum is σ = 4726116180. Its totient is φ = 840198400.

The previous prime is 2100496033. The next prime is 2100496049. The reversal of 2100496040 is 406940012.

It can be written as a sum of positive squares in 2 ways, for example, as 1994694244 + 105801796 = 44662^2 + 10286^2 .

It is a super-2 number, since 2×21004960402 = 8824167228111363200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2100496049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26256161 + ... + 26256240.

Almost surely, 22100496040 is an apocalyptic number.

2100496040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100496040 is an abundant number, since it is smaller than the sum of its proper divisors (2625620140).

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

2100496040 is a wasteful number, since it uses less digits than its factorization.

2100496040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52512412 (or 52512408 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2100496040 is about 45831.1688701041. The cubic root of 2100496040 is about 1280.6799853813.

The spelling of 2100496040 in words is "two billion, one hundred million, four hundred ninety-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 52512401 105024802 210049604 262562005 420099208 525124010 1050248020 2100496040