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1111122030 = 235223307541
BaseRepresentation
bin100001000111010…
…0110000001101110
32212102202211212210
41002032212001232
54233421401110
6302131111250
736351244554
oct10216460156
92772684783
101111122030
11520221477
12270142526
13149276175
14a77d5bd4
1567831520
hex423a606e

1111122030 has 64 divisors (see below), whose sum is σ = 2692343808. Its totient is φ = 293466240.

The previous prime is 1111122011. The next prime is 1111122041. The reversal of 1111122030 is 302211111.

It is a junction number, because it is equal to n+sod(n) for n = 1111121997 and 1111122015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2053560 + ... + 2054100.

It is an arithmetic number, because the mean of its divisors is an integer number (42067872).

Almost surely, 21111122030 is an apocalyptic number.

1111122030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111122030 is an abundant number, since it is smaller than the sum of its proper divisors (1581221778).

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

1111122030 is a wasteful number, since it uses less digits than its factorization.

1111122030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081.

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

The square root of 1111122030 is about 33333.4971162643. The cubic root of 1111122030 is about 1035.7475613928.

Adding to 1111122030 its reverse (302211111), we get a palindrome (1413333141).

The spelling of 1111122030 in words is "one billion, one hundred eleven million, one hundred twenty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 223 307 446 541 614 669 921 1082 1115 1338 1535 1623 1842 2230 2705 3070 3246 3345 4605 5410 6690 8115 9210 16230 68461 120643 136922 166087 205383 241286 332174 342305 361929 410766 498261 603215 684610 723858 830435 996522 1026915 1206430 1660870 1809645 2053830 2491305 3619290 4982610 37037401 74074802 111112203 185187005 222224406 370374010 555561015 1111122030