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2050156100 = 225220501561
BaseRepresentation
bin111101000110010…
…1110011001000100
312021212201201110102
41322030232121010
513144314443400
6535233543232
7101543016326
oct17214563104
95255651412
102050156100
11962294693
12492714b18
13268988825
141563d3616
15beebd9d5
hex7a32e644

2050156100 has 18 divisors (see below), whose sum is σ = 4448838954. Its totient is φ = 820062400.

The previous prime is 2050156093. The next prime is 2050156127. The reversal of 2050156100 is 16510502.

It can be written as a sum of positive squares in 3 ways, for example, as 420742144 + 1629413956 = 20512^2 + 40366^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10250681 + ... + 10250880.

Almost surely, 22050156100 is an apocalyptic number.

2050156100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050156100 is an abundant number, since it is smaller than the sum of its proper divisors (2398682854).

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

2050156100 is a wasteful number, since it uses less digits than its factorization.

2050156100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501575 (or 20501568 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2050156100 is about 45278.6494939944. The cubic root of 2050156100 is about 1270.3663357186.

Adding to 2050156100 its reverse (16510502), we get a palindrome (2066666602).

The spelling of 2050156100 in words is "two billion, fifty million, one hundred fifty-six thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 20501561 41003122 82006244 102507805 205015610 410031220 512539025 1025078050 2050156100