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123104011030 = 257111331396713
BaseRepresentation
bin111001010100110010…
…0100010001100010110
3102202202022220201010221
41302221210202030112
54004104111323110
6132315254104554
711615426554150
oct1625144421426
9382668821127
10123104011030
11482320065a0
121ba3734b15a
13b7bb2b7ca0
145d5b6a5ad0
1533077427da
hex1ca9922316

123104011030 has 128 divisors (see below), whose sum is σ = 307113762816. Its totient is φ = 34275916800.

The previous prime is 123104011007. The next prime is 123104011031. The reversal of 123104011030 is 30110401321.

It is a junction number, because it is equal to n+sod(n) for n = 123104010995 and 123104011013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123104011031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 111954 + ... + 508666.

It is an arithmetic number, because the mean of its divisors is an integer number (2399326272).

Almost surely, 2123104011030 is an apocalyptic number.

123104011030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123104011030 is an abundant number, since it is smaller than the sum of its proper divisors (184009751786).

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

123104011030 is a wasteful number, since it uses less digits than its factorization.

123104011030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396782.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 123104011030 its reverse (30110401321), we get a palindrome (153214412351).

The spelling of 123104011030 in words is "one hundred twenty-three billion, one hundred four million, eleven thousand, thirty".

Divisors: 1 2 5 7 10 11 13 14 22 26 31 35 55 62 65 70 77 91 110 130 143 154 155 182 217 286 310 341 385 403 434 455 682 715 770 806 910 1001 1085 1430 1705 2002 2015 2170 2387 2821 3410 4030 4433 4774 5005 5642 8866 10010 11935 14105 22165 23870 28210 31031 44330 62062 155155 310310 396713 793426 1983565 2776991 3967130 4363843 5157269 5553982 8727686 10314538 12298103 13884955 21819215 24596206 25786345 27769910 30546901 36100883 43638430 51572690 56729959 61093802 61490515 72201766 86086721 113459918 122981030 135279133 152734505 159875339 172173442 180504415 270558266 283649795 305469010 319750678 361008830 397109713 430433605 567299590 676395665 794219426 799376695 860867210 946953931 1119127373 1352791330 1598753390 1758628729 1893907862 1985548565 2238254746 3517257458 3971097130 4734769655 5595636865 8793143645 9469539310 11191273730 12310401103 17586287290 24620802206 61552005515 123104011030