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1234123030 = 25781121739
BaseRepresentation
bin100100110001111…
…0011100100010110
310012000012221112101
41021203303210112
510011413414110
6322243312314
742403605220
oct11143634426
93160187471
101234123030
115836a2998
122a537b69a
131688b101a
14b9c93410
157352b13a
hex498f3916

1234123030 has 32 divisors (see below), whose sum is σ = 2542014720. Its totient is φ = 422586720.

The previous prime is 1234123013. The next prime is 1234123067. The reversal of 1234123030 is 303214321.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1234122989 and 1234123007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45901 + ... + 67639.

It is an arithmetic number, because the mean of its divisors is an integer number (79437960).

Almost surely, 21234123030 is an apocalyptic number.

1234123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1234123030 is an abundant number, since it is smaller than the sum of its proper divisors (1307891690).

1234123030 is a wasteful number, since it uses less digits than its factorization.

1234123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22564.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1234123030 is about 35130.0872472586. The cubic root of 1234123030 is about 1072.6371118782.

Adding to 1234123030 its reverse (303214321), we get a palindrome (1537337351).

The spelling of 1234123030 in words is "one billion, two hundred thirty-four million, one hundred twenty-three thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 811 1622 4055 5677 8110 11354 21739 28385 43478 56770 108695 152173 217390 304346 760865 1521730 17630329 35260658 88151645 123412303 176303290 246824606 617061515 1234123030