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123003031030 = 25115839191507
BaseRepresentation
bin111001010001110001…
…1010100110111110110
3102202111021220101121221
41302203203110313312
54003402233443110
6132301245500554
711613062340625
oct1624343246766
9382437811557
10123003031030
1148190005850
121ba0957175a
13b7a33c03c9
145d4c0db6bc
1532ed9477da
hex1ca38d4df6

123003031030 has 32 divisors (see below), whose sum is σ = 241575851520. Its totient is φ = 44720481120.

The previous prime is 123003031027. The next prime is 123003031043. The reversal of 123003031030 is 30130300321.

It is a junction number, because it is equal to n+sod(n) for n = 123003030995 and 123003031013.

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, 546537 + ... + 738043.

It is an arithmetic number, because the mean of its divisors is an integer number (7549245360).

Almost surely, 2123003031030 is an apocalyptic number.

123003031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123003031030 is a deficient number, since it is larger than the sum of its proper divisors (118572820490).

123003031030 is a wasteful number, since it uses less digits than its factorization.

123003031030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197364.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 123003031030 its reverse (30130300321), we get a palindrome (153133331351).

The spelling of 123003031030 in words is "one hundred twenty-three billion, three million, thirty-one thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 5839 11678 29195 58390 64229 128458 191507 321145 383014 642290 957535 1915070 2106577 4213154 10532885 21065770 1118209373 2236418746 5591046865 11182093730 12300303103 24600606206 61501515515 123003031030