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30203030302020 = 22325167794612789
BaseRepresentation
bin1101101111000001100001…
…11001000110110101000100
310221221101022010000201212200
412313200300321012311010
512424321301224131040
6144123025223114500
76235045150443042
oct667406071066504
9127841263021780
1030203030302020
119695040239a94
1234796718a2a30
1313b11974c2234
14765b97ac1392
153759b42ca630
hex1b7830e46d44

30203030302020 has 36 divisors (see below), whose sum is σ = 91615858583340. Its totient is φ = 8054141413824.

The previous prime is 30203030302007. The next prime is 30203030302033. The reversal of 30203030302020 is 2020303030203.

30203030302020 is a `hidden beast` number, since 302 + 0 + 30 + 30 + 302 + 0 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (30203030302007) and next prime (30203030302033).

It can be written as a sum of positive squares in 2 ways, for example, as 9251318393604 + 20951711908416 = 3041598^2 + 4577304^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-5 number, since 5×302030303020205 (a number of 69 digits) contains 55555 as substring.

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 = 30203030301984 and 30203030302002.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83897306215 + ... + 83897306574.

Almost surely, 230203030302020 is an apocalyptic number.

30203030302020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30203030302020 is an abundant number, since it is smaller than the sum of its proper divisors (61412828281320).

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

30203030302020 is a wasteful number, since it uses less digits than its factorization.

30203030302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167794612804 (or 167794612799 counting only the distinct ones).

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

Adding to 30203030302020 its reverse (2020303030203), we get a palindrome (32223333332223).

The spelling of 30203030302020 in words is "thirty trillion, two hundred three billion, thirty million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 167794612789 335589225578 503383838367 671178451156 838973063945 1006767676734 1510151515101 1677946127890 2013535353468 2516919191835 3020303030202 3355892255780 5033838383670 6040606060404 7550757575505 10067676767340 15101515151010 30203030302020