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30031320300 = 22352109918389
BaseRepresentation
bin11011111110000000…
…011001010011101100
32212111221020010202020
4123332000121103230
5443001004222200
621443551230140
72112130003452
oct337600312354
985457203666
1030031320300
1111810996483
1259a1518350
132aa7a10017
14164c67c9d2
15bab763ea0
hex6fe0194ec

30031320300 has 72 divisors (see below), whose sum is σ = 87687877200. Its totient is φ = 7934872320.

The previous prime is 30031320283. The next prime is 30031320313. The reversal of 30031320300 is 302313003.

It is a super-2 number, since 2×300313203002 (a number of 22 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30031320300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426495 + ... + 491894.

Almost surely, 230031320300 is an apocalyptic number.

30031320300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30031320300 is an abundant number, since it is smaller than the sum of its proper divisors (57656556900).

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

30031320300 is a wasteful number, since it uses less digits than its factorization.

30031320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918515 (or 918508 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 30031320300 its reverse (302313003), we get a palindrome (30333633303).

The spelling of 30031320300 in words is "thirty billion, thirty-one million, three hundred twenty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 109 150 218 300 327 436 545 654 1090 1308 1635 2180 2725 3270 5450 6540 8175 10900 16350 32700 918389 1836778 2755167 3673556 4591945 5510334 9183890 11020668 13775835 18367780 22959725 27551670 45919450 55103340 68879175 91838900 100104401 137758350 200208802 275516700 300313203 400417604 500522005 600626406 1001044010 1201252812 1501566015 2002088020 2502610025 3003132030 5005220050 6006264060 7507830075 10010440100 15015660150 30031320300