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30421150250420 = 22523259125524097
BaseRepresentation
bin1101110101010111110011…
…10110101011010110110100
310222201020022021012011200002
412322223321312223112310
512441410003431003140
6144411141122410432
76256566314426666
oct672537166532664
9128636267164602
1030421150250420
1197695a0269656
1234b39a5800a18
1313c891884b267
1477256a4d4536
1537b4cd3ed415
hex1baaf9dab5b4

30421150250420 has 48 divisors (see below), whose sum is σ = 66687729712128. Its totient is φ = 11634903920640.

The previous prime is 30421150250411. The next prime is 30421150250497. The reversal of 30421150250420 is 2405205112403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11570189 + ... + 13953908.

It is an arithmetic number, because the mean of its divisors is an integer number (1389327702336).

Almost surely, 230421150250420 is an apocalyptic number.

It is an amenable number.

30421150250420 is an abundant number, since it is smaller than the sum of its proper divisors (36266579461708).

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

30421150250420 is a wasteful number, since it uses less digits than its factorization.

30421150250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25526720 (or 25526718 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 30421150250420 its reverse (2405205112403), we get a palindrome (32826355362823).

The spelling of 30421150250420 in words is "thirty trillion, four hundred twenty-one billion, one hundred fifty million, two hundred fifty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 2591 5182 10364 12955 25910 51820 59593 119186 238372 297965 595930 1191860 25524097 51048194 102096388 127620485 255240970 510481940 587054231 1174108462 2348216924 2935271155 5870542310 11741084620 66132935327 132265870654 264531741308 330664676635 661329353270 1322658706540 1521057512521 3042115025042 6084230050084 7605287562605 15210575125210 30421150250420