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33020232030 = 232517179120569
BaseRepresentation
bin11110110000001010…
…001100000101011110
310011020020101120211200
4132300022030011132
51020111134411110
623100322100330
72246162225022
oct366012140536
9104206346750
1033020232030
1113005073065
1264964aa6a6
133163011546
1418535da382
15cd3d676c0
hex7b028c15e

33020232030 has 96 divisors (see below), whose sum is σ = 91411351200. Its totient is φ = 8241063936.

The previous prime is 33020231999. The next prime is 33020232053. The reversal of 33020232030 is 3023202033.

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

It is a junction number, because it is equal to n+sod(n) for n = 33020231994 and 33020232012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 213586 + ... + 334154.

It is an arithmetic number, because the mean of its divisors is an integer number (952201575).

Almost surely, 233020232030 is an apocalyptic number.

33020232030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 33020232030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45705675600).

33020232030 is an abundant number, since it is smaller than the sum of its proper divisors (58391119170).

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

33020232030 is a wasteful number, since it uses less digits than its factorization.

33020232030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120778 (or 120775 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

Adding to 33020232030 its reverse (3023202033), we get a palindrome (36043434063).

The spelling of 33020232030 in words is "thirty-three billion, twenty million, two hundred thirty-two thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 45 51 85 90 102 153 170 179 255 306 358 510 537 765 895 1074 1530 1611 1790 2685 3043 3222 5370 6086 8055 9129 15215 16110 18258 27387 30430 45645 54774 91290 120569 136935 241138 273870 361707 602845 723414 1085121 1205690 1808535 2049673 2170242 3617070 4099346 5425605 6149019 10248365 10851210 12298038 18447057 20496730 21581851 30745095 36894114 43163702 61490190 64745553 92235285 107909255 129491106 184470570 194236659 215818510 323727765 366891467 388473318 647455530 733782934 971183295 1100674401 1834457335 1942366590 2201348802 3302023203 3668914670 5503372005 6604046406 11006744010 16510116015 33020232030