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1111230030 = 235319771223
BaseRepresentation
bin100001000111100…
…0000011001001110
32212102222100000210
41002033000121032
54233433330110
6302133303250
736352204461
oct10217003116
92772870023
101111230030
11520295629
12270194b26
131492b3381
14a78232d8
1567853520
hex423c064e

1111230030 has 64 divisors (see below), whose sum is σ = 2758053888. Its totient is φ = 286241280.

The previous prime is 1111230019. The next prime is 1111230047. The reversal of 1111230030 is 300321111.

It is a junction number, because it is equal to n+sod(n) for n = 1111229988 and 1111230015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 907999 + ... + 909221.

It is an arithmetic number, because the mean of its divisors is an integer number (43094592).

Almost surely, 21111230030 is an apocalyptic number.

1111230030 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 1111230030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379026944).

1111230030 is an abundant number, since it is smaller than the sum of its proper divisors (1646823858).

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

1111230030 is a wasteful number, since it uses less digits than its factorization.

1111230030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1111230030 is about 33335.1170689410. The cubic root of 1111230030 is about 1035.7811181968.

Adding to 1111230030 its reverse (300321111), we get a palindrome (1411551141).

The spelling of 1111230030 in words is "one billion, one hundred eleven million, two hundred thirty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 977 1223 1954 2446 2931 3669 4885 5862 6115 7338 9770 12230 14655 18345 29310 30287 36690 37913 60574 75826 90861 113739 151435 181722 189565 227478 302870 379130 454305 568695 908610 1137390 1194871 2389742 3584613 5974355 7169226 11948710 17923065 35846130 37041001 74082002 111123003 185205005 222246006 370410010 555615015 1111230030