Search a number
-
+
302003023020 = 223515133333667
BaseRepresentation
bin1000110010100001100…
…10000110110010101100
31001212112002222010202220
410121100302012302230
514422000233214040
6350423244515340
730550626224526
oct4312062066254
91055462863686
10302003023020
11107095919126
124a64424bb50
132262bac3c2a
141088d186a16
157cc846c2d0
hex4650c86cac

302003023020 has 48 divisors (see below), whose sum is σ = 851208546048. Its totient is φ = 80000798400.

The previous prime is 302003023001. The next prime is 302003023027. The reversal of 302003023020 is 20320300203.

It is a super-3 number, since 3×3020030230203 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (302003023027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16657774 + ... + 16675893.

It is an arithmetic number, because the mean of its divisors is an integer number (17733511376).

Almost surely, 2302003023020 is an apocalyptic number.

302003023020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

302003023020 is an abundant number, since it is smaller than the sum of its proper divisors (549205523028).

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

302003023020 is a wasteful number, since it uses less digits than its factorization.

302003023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33333830 (or 33333828 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 302003023020 its reverse (20320300203), we get a palindrome (322323323223).

The spelling of 302003023020 in words is "three hundred two billion, three million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 151 302 453 604 755 906 1510 1812 2265 3020 4530 9060 33333667 66667334 100001001 133334668 166668335 200002002 333336670 400004004 500005005 666673340 1000010010 2000020020 5033383717 10066767434 15100151151 20133534868 25166918585 30200302302 50333837170 60400604604 75500755755 100667674340 151001511510 302003023020