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30811243123210 = 2511280102210211
BaseRepresentation
bin1110000000101110011010…
…01100111001001000001010
311001002112012111202100001111
413000113031030321020022
513014302411214420320
6145310253434440534
76330016220225134
oct700271514711012
9131075174670044
1030811243123210
1198a9a7a54a710
123557512b9314a
1314266457b8844
147873b49cc054
15386710181a5a
hex1c05cd33920a

30811243123210 has 16 divisors (see below), whose sum is σ = 60502077405792. Its totient is φ = 11204088408400.

The previous prime is 30811243123127. The next prime is 30811243123259. The reversal of 30811243123210 is 1232134211803.

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 7 ways as a sum of consecutive naturals, for example, 140051104996 + ... + 140051105215.

It is an arithmetic number, because the mean of its divisors is an integer number (3781379837862).

Almost surely, 230811243123210 is an apocalyptic number.

30811243123210 is a deficient number, since it is larger than the sum of its proper divisors (29690834282582).

30811243123210 is a wasteful number, since it uses less digits than its factorization.

30811243123210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280102210229.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 30811243123210 in words is "thirty trillion, eight hundred eleven billion, two hundred forty-three million, one hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 110 280102210211 560204420422 1400511051055 2801022102110 3081124312321 6162248624642 15405621561605 30811243123210