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30200300200021 = 735332749373199
BaseRepresentation
bin1101101110111100011100…
…01010100110000001010101
310221221010020211212011222211
412313132032022212001111
512424300203322400041
6144121454255353421
76234620410115020
oct667361612460125
9127833224764884
1030200300200021
11969396a162a46
12347902b522871
1313b0b509c9273
147659b92941b7
153758a479b481
hex1b778e2a6055

30200300200021 has 16 divisors (see below), whose sum is σ = 34613553600000. Its totient is φ = 25811782875648.

The previous prime is 30200300199977. The next prime is 30200300200039. The reversal of 30200300200021 is 12000200300203.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-30200300200021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30200300199974 and 30200300200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200300200061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80736180 + ... + 81109378.

It is an arithmetic number, because the mean of its divisors is an integer number (2163347100000).

Almost surely, 230200300200021 is an apocalyptic number.

It is an amenable number.

30200300200021 is a deficient number, since it is larger than the sum of its proper divisors (4413253399979).

30200300200021 is a wasteful number, since it uses less digits than its factorization.

30200300200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406308.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 30200300200021 its reverse (12000200300203), we get a palindrome (42200500500224).

The spelling of 30200300200021 in words is "thirty trillion, two hundred billion, three hundred million, two hundred thousand, twenty-one".

Divisors: 1 7 353 2471 32749 229243 373199 2612393 11560397 80922779 131739247 922174729 12221894051 85553258357 4314328600003 30200300200021