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30101311202020 = 2252167196944779
BaseRepresentation
bin1101101100000100000011…
…11101100010001011100100
310221120122202010121001202121
412312002001331202023210
512421134441131431040
6144004203525515324
76224514360402142
oct666020175421344
9127518663531677
1030101311202020
119655992485693
123461a04272b44
1313a47067a9676
14760ca8606592
1537300e1b7c4a
hex1b6081f622e4

30101311202020 has 24 divisors (see below), whose sum is σ = 63213054307200. Its totient is φ = 12040467188832.

The previous prime is 30101311201999. The next prime is 30101311202047. The reversal of 30101311202020 is 2020211310103.

It is a junction number, because it is equal to n+sod(n) for n = 30101311201985 and 30101311202003.

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, 861991 + ... + 7806769.

It is an arithmetic number, because the mean of its divisors is an integer number (2633877262800).

Almost surely, 230101311202020 is an apocalyptic number.

It is an amenable number.

30101311202020 is an abundant number, since it is smaller than the sum of its proper divisors (33111743105180).

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

30101311202020 is a wasteful number, since it uses less digits than its factorization.

30101311202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161507 (or 7161505 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30101311202020 its reverse (2020211310103), we get a palindrome (32121522512123).

The spelling of 30101311202020 in words is "thirty trillion, one hundred one billion, three hundred eleven million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 216719 433438 866876 1083595 2167190 4334380 6944779 13889558 27779116 34723895 69447790 138895580 1505065560101 3010131120202 6020262240404 7525327800505 15050655601010 30101311202020