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1202220030 = 235113739767
BaseRepresentation
bin100011110101000…
…0110101111111110
310002210012002211210
41013222012233332
54430232020110
6315143425250
741535462444
oct10752065776
93083162753
101202220030
11567692780
12296755226
131620c0acb
14b594ab94
1570828520
hex47a86bfe

1202220030 has 64 divisors (see below), whose sum is σ = 3156392448. Its totient is φ = 290636160.

The previous prime is 1202220023. The next prime is 1202220133. The reversal of 1202220030 is 300222021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1202219988 and 1202220015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118207 + ... + 127973.

It is an arithmetic number, because the mean of its divisors is an integer number (49318632).

Almost surely, 21202220030 is an apocalyptic number.

1202220030 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 1202220030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1578196224).

1202220030 is an abundant number, since it is smaller than the sum of its proper divisors (1954172418).

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

1202220030 is a wasteful number, since it uses less digits than its factorization.

1202220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1202220030 is about 34673.0447177631. The cubic root of 1202220030 is about 1063.3134804542.

Adding to 1202220030 its reverse (300222021), we get a palindrome (1502442051).

The spelling of 1202220030 in words is "one billion, two hundred two million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 373 746 1119 1865 2238 3730 4103 5595 8206 9767 11190 12309 19534 20515 24618 29301 41030 48835 58602 61545 97670 107437 123090 146505 214874 293010 322311 537185 644622 1074370 1611555 3223110 3643091 7286182 10929273 18215455 21858546 36430910 40074001 54646365 80148002 109292730 120222003 200370005 240444006 400740010 601110015 1202220030