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30211110303020 = 2252835337651997
BaseRepresentation
bin1101101111010000100100…
…11111110111010100101100
310221222011011012222022111222
412313220102133313110230
512424434323214144040
6144130443101402512
76235452322352213
oct667502237672454
9127864135868458
1030211110303020
119698507189369
12347b147869438
1313b1b8449600a
14766322c5207a
15375cd8829bb5
hex1b7a127f752c

30211110303020 has 24 divisors (see below), whose sum is σ = 63667513032144. Its totient is φ = 12041742902976.

The previous prime is 30211110303013. The next prime is 30211110303053. The reversal of 30211110303020 is 2030301111203.

It is a super-2 number, since 2×302111103030202 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30211110303020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668820339 + ... + 2668831658.

It is an arithmetic number, because the mean of its divisors is an integer number (2652813043006).

Almost surely, 230211110303020 is an apocalyptic number.

It is an amenable number.

30211110303020 is an abundant number, since it is smaller than the sum of its proper divisors (33456402729124).

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

30211110303020 is a wasteful number, since it uses less digits than its factorization.

30211110303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337652289 (or 5337652287 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30211110303020 its reverse (2030301111203), we get a palindrome (32241411414223).

The spelling of 30211110303020 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, three hundred three thousand, twenty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 5337651997 10675303994 21350607988 26688259985 53376519970 106753039940 1510555515151 3021111030302 6042222060604 7552777575755 15105555151510 30211110303020