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30121321231102 = 2106142193364489
BaseRepresentation
bin1101101100101001010101…
…01001101111001011111110
310221122120101122222212022211
412312110222221233023332
512422001431213343402
6144021313254131034
76226123264006303
oct666245251571376
9127576348885284
1030121321231102
119663420634702
123465869650a7a
1313a657528616a
14761c45d7d0aa
153737d0c654d7
hex1b652aa6f2fe

30121321231102 has 16 divisors (see below), whose sum is σ = 45235298890800. Its totient is φ = 15042895007040.

The previous prime is 30121321231051. The next prime is 30121321231181. The reversal of 30121321231102 is 20113212312103.

It is a super-2 number, since 2×301213212311022 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 7270474 + ... + 10634962.

It is an arithmetic number, because the mean of its divisors is an integer number (2827206180675).

Almost surely, 230121321231102 is an apocalyptic number.

30121321231102 is a deficient number, since it is larger than the sum of its proper divisors (15113977659698).

30121321231102 is a wasteful number, since it uses less digits than its factorization.

30121321231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369771.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30121321231102 its reverse (20113212312103), we get a palindrome (50234533543205).

The spelling of 30121321231102 in words is "thirty trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-one thousand, one hundred two".

Divisors: 1 2 1061 2122 4219 8438 3364489 4476359 6728978 8952718 3569722829 7139445658 14194779091 28389558182 15060660615551 30121321231102