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10170220050 = 2325222600489
BaseRepresentation
bin10010111100011000…
…10011111000010010
3222020210001201010200
421132030103320102
5131312034020200
64401103040030
7510012305214
oct113614237022
928223051120
1010170220050
114349907941
121b79ba0016
13c610489b3
146c69d25b4
153e7cd3800
hex25e313e12

10170220050 has 36 divisors (see below), whose sum is σ = 27323992410. Its totient is φ = 2712058560.

The previous prime is 10170220009. The next prime is 10170220091. The reversal of 10170220050 is 5002207101.

It is an interprime number because it is at equal distance from previous prime (10170220009) and next prime (10170220091).

It can be written as a sum of positive squares in 3 ways, for example, as 6494586921 + 3675633129 = 80589^2 + 60627^2 .

It is a super-4 number, since 4×101702200504 (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11299795 + ... + 11300694.

Almost surely, 210170220050 is an apocalyptic number.

10170220050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10170220050 is an abundant number, since it is smaller than the sum of its proper divisors (17153772360).

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

10170220050 is a wasteful number, since it uses less digits than its factorization.

10170220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22600507 (or 22600499 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

Adding to 10170220050 its reverse (5002207101), we get a palindrome (15172427151).

The spelling of 10170220050 in words is "ten billion, one hundred seventy million, two hundred twenty thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 22600489 45200978 67801467 113002445 135602934 203404401 226004890 339007335 406808802 565012225 678014670 1017022005 1130024450 1695036675 2034044010 3390073350 5085110025 10170220050