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30201212100120 = 23351911317679411
BaseRepresentation
bin1101101110111110001001…
…00001001101111000011000
310221221012121101202111202120
412313133010201031320120
512424304040244200440
6144122124552501240
76234652122125625
oct667370441157030
9127835541674676
1030201212100120
119694297982a96
1234792449aa820
1313b0c678cb319
14765a6442b34c
15375909878dd0
hex1b77c484de18

30201212100120 has 64 divisors (see below), whose sum is σ = 91078000957440. Its totient is φ = 8011490812800.

The previous prime is 30201212100113. The next prime is 30201212100133. The reversal of 30201212100120 is 2100121210203.

It is a super-2 number, since 2×302012121001202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30201212100120.

It is a congruent number.

It is an unprimeable number.

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, 658816786 + ... + 658862625.

It is an arithmetic number, because the mean of its divisors is an integer number (1423093764960).

Almost surely, 230201212100120 is an apocalyptic number.

30201212100120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30201212100120 is an abundant number, since it is smaller than the sum of its proper divisors (60876788857320).

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

30201212100120 is a wasteful number, since it uses less digits than its factorization.

30201212100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317679616 (or 1317679612 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 30201212100120 its reverse (2100121210203), we get a palindrome (32301333310323).

The spelling of 30201212100120 in words is "thirty trillion, two hundred one billion, two hundred twelve million, one hundred thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 191 382 573 764 955 1146 1528 1910 2292 2865 3820 4584 5730 7640 11460 22920 1317679411 2635358822 3953038233 5270717644 6588397055 7906076466 10541435288 13176794110 15812152932 19765191165 26353588220 31624305864 39530382330 52707176440 79060764660 158121529320 251676767501 503353535002 755030302503 1006707070004 1258383837505 1510060605006 2013414140008 2516767675010 3020121210012 3775151512515 5033535350020 6040242420024 7550303025030 10067070700040 15100606050060 30201212100120