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30120121230210 = 232511238315937331
BaseRepresentation
bin1101101100100111000110…
…01000000110001110000010
310221122110022000222111120100
412312103203020012032002
512421442002013331320
6144020554230023230
76226051453115364
oct666234310061602
9127573260874510
1030120121230210
119662965228230
1234655937a7b16
1313a641379146b
14761b7084cd34
15373760729790
hex1b64e3206382

30120121230210 has 192 divisors, whose sum is σ = 90220088964096. Its totient is φ = 6900226396800.

The previous prime is 30120121230169. The next prime is 30120121230223. The reversal of 30120121230210 is 1203212102103.

30120121230210 is a `hidden beast` number, since 3 + 0 + 1 + 201 + 21 + 230 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 6078756 + ... + 9858575.

It is an arithmetic number, because the mean of its divisors is an integer number (469896296688).

Almost surely, 230120121230210 is an apocalyptic number.

30120121230210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30120121230210 is an abundant number, since it is smaller than the sum of its proper divisors (60099967733886).

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

30120121230210 is a wasteful number, since it uses less digits than its factorization.

30120121230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15937461 (or 15937458 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 30120121230210 its reverse (1203212102103), we get a palindrome (31323333332313).

The spelling of 30120121230210 in words is "thirty trillion, one hundred twenty billion, one hundred twenty-one million, two hundred thirty thousand, two hundred ten".