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20303016030 = 23251167306091
BaseRepresentation
bin10010111010001001…
…110111000001011110
31221101221201002002200
4102322021313001132
5313040033003110
613154352032330
71316061534363
oct227211670136
957357632080
1020303016030
1186795834a0
123b275326a6
131bb73c046b
14da864246a
157dc6736c0
hex4ba27705e

20303016030 has 96 divisors (see below), whose sum is σ = 58446430848. Its totient is φ = 4848465600.

The previous prime is 20303016017. The next prime is 20303016049. The reversal of 20303016030 is 3061030302.

It is a happy number.

20303016030 is a `hidden beast` number, since 2 + 0 + 30 + 30 + 1 + 603 + 0 = 666.

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 = 20303015994 and 20303016012.

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, 86716 + ... + 219375.

It is an arithmetic number, because the mean of its divisors is an integer number (608816988).

Almost surely, 220303016030 is an apocalyptic number.

20303016030 is an abundant number, since it is smaller than the sum of its proper divisors (38143414818).

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

20303016030 is a wasteful number, since it uses less digits than its factorization.

20303016030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306182 (or 306179 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20303016030 its reverse (3061030302), we get a palindrome (23364046332).

The spelling of 20303016030 in words is "twenty billion, three hundred three million, sixteen thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 67 90 99 110 134 165 198 201 330 335 402 495 603 670 737 990 1005 1206 1474 2010 2211 3015 3685 4422 6030 6633 7370 11055 13266 22110 33165 66330 306091 612182 918273 1530455 1836546 2754819 3060910 3367001 4591365 5509638 6734002 9182730 10101003 13774095 16835005 20202006 20508097 27548190 30303009 33670010 41016194 50505015 60606018 61524291 101010030 102540485 123048582 151515045 184572873 205080970 225589067 303030090 307621455 369145746 451178134 615242910 676767201 922864365 1127945335 1353534402 1845728730 2030301603 2255890670 3383836005 4060603206 6767672010 10151508015 20303016030