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30123123231310 = 2519211751387459
BaseRepresentation
bin1101101100101100101100…
…00011110100101001001110
310221122202001020202221220021
412312112112003310221032
512422014124021400220
6144022212145212354
76226216034524234
oct666262603645116
9127582036687807
1030123123231310
11966416583507a
1234660910310ba
1313a67a16c6785
14761d77416954
153738890664aa
hex1b65960f4a4e

30123123231310 has 32 divisors (see below), whose sum is σ = 57345890947200. Its totient is φ = 11360978364960.

The previous prime is 30123123231293. The next prime is 30123123231413. The reversal of 30123123231310 is 1313232132103.

It is a super-2 number, since 2×301231232313102 (a number of 28 digits) contains 22 as substring.

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, 375653640 + ... + 375733819.

It is an arithmetic number, because the mean of its divisors is an integer number (1792059092100).

Almost surely, 230123123231310 is an apocalyptic number.

30123123231310 is a deficient number, since it is larger than the sum of its proper divisors (27222767715890).

30123123231310 is a wasteful number, since it uses less digits than its factorization.

30123123231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751387696.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30123123231310 its reverse (1313232132103), we get a palindrome (31436355363413).

The spelling of 30123123231310 in words is "thirty trillion, one hundred twenty-three billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 19 38 95 190 211 422 1055 2110 4009 8018 20045 40090 751387459 1502774918 3756937295 7513874590 14276361721 28552723442 71381808605 142763617210 158542753849 317085507698 792713769245 1585427538490 3012312323131 6024624646262 15061561615655 30123123231310