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30102020211333 = 3731103592775743
BaseRepresentation
bin1101101100000101011000…
…01110001100001010000101
310221120201120112201110200210
412312002230032030022011
512421142414133230313
6144004402134230033
76224541060025530
oct666025416141205
9127521515643623
1030102020211333
1196562167188a4
123461b817b5319
1313a47ba6516c5
14760d34847a17
153730515699c3
hex1b60ac38c285

30102020211333 has 64 divisors (see below), whose sum is σ = 47817814966272. Its totient is φ = 16481665218240.

The previous prime is 30102020211331. The next prime is 30102020211343. The reversal of 30102020211333 is 33311202020103.

It is not a de Polignac number, because 30102020211333 - 21 = 30102020211331 is a prime.

It is a super-2 number, since 2×301020202113332 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102020211331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 397385260 + ... + 397461002.

It is an arithmetic number, because the mean of its divisors is an integer number (747153358848).

Almost surely, 230102020211333 is an apocalyptic number.

It is an amenable number.

30102020211333 is a deficient number, since it is larger than the sum of its proper divisors (17715794754939).

30102020211333 is a wasteful number, since it uses less digits than its factorization.

30102020211333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81814.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30102020211333 its reverse (33311202020103), we get a palindrome (63413222231436).

The spelling of 30102020211333 in words is "thirty trillion, one hundred two billion, twenty million, two hundred eleven thousand, three hundred thirty-three".

Divisors: 1 3 7 21 31 93 103 217 309 651 721 2163 3193 5927 9579 17781 22351 41489 67053 75743 124467 183737 227229 530201 551211 610481 1286159 1590603 1831443 2348033 3858477 4273367 7044099 7801529 12820101 16436231 18924911 23404587 49308693 54610703 56774733 132474377 163832109 241847399 397423131 448928761 725542197 1346786283 1692931793 3142501327 5078795379 9427503981 13916791591 41750374773 46239662383 97417541137 138718987149 292252623411 323677636681 971032910043 1433429533873 4300288601619 10034006737111 30102020211333