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11233230990 = 23531432571093
BaseRepresentation
bin10100111011000110…
…11000000010001110
31001222212022021000020
422131203120002032
5141001201342430
65054355043010
7545240613402
oct123543300216
931885267006
1011233230990
114844958783
122215ba0466
1310a0348457
14787c63102
1545b2aeb10
hex29d8d808e

11233230990 has 128 divisors (see below), whose sum is σ = 28613578752. Its totient is φ = 2817884160.

The previous prime is 11233230989. The next prime is 11233231057. The reversal of 11233230990 is 9903233211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10276884 + ... + 10277976.

It is an arithmetic number, because the mean of its divisors is an integer number (223543584).

Almost surely, 211233230990 is an apocalyptic number.

11233230990 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 11233230990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14306789376).

11233230990 is an abundant number, since it is smaller than the sum of its proper divisors (17380347762).

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

11233230990 is a wasteful number, since it uses less digits than its factorization.

11233230990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 8748, while the sum is 33.

The spelling of 11233230990 in words is "eleven billion, two hundred thirty-three million, two hundred thirty thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 43 62 86 93 129 155 186 215 257 258 310 430 465 514 645 771 930 1093 1285 1290 1333 1542 2186 2570 2666 3279 3855 3999 5465 6558 6665 7710 7967 7998 10930 11051 13330 15934 16395 19995 22102 23901 32790 33153 33883 39835 39990 46999 47802 55255 66306 67766 79670 93998 101649 110510 119505 140997 165765 169415 203298 234995 239010 280901 281994 331530 338830 342581 469990 508245 561802 685162 704985 842703 1016490 1027743 1404505 1409970 1456969 1685406 1712905 2055486 2809010 2913938 3425810 4213515 4370907 5138715 7284845 8427030 8707931 8741814 10277430 12078743 14569690 17415862 21854535 24157486 26123793 36236229 43539655 43709070 52247586 60393715 72472458 87079310 120787430 130618965 181181145 261237930 362362290 374441033 748882066 1123323099 1872205165 2246646198 3744410330 5616615495 11233230990