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123030200000 = 2655615151
BaseRepresentation
bin111001010010100101…
…0111101111011000000
3102202120012000201110002
41302211022331323000
54003431212400000
6132304100055132
711613542305511
oct1624512757300
9382505021402
10123030200000
11481a4382244
121ba166944a8
13b7a8c13916
145d51970a08
1533010128d5
hex1ca52bdec0

123030200000 has 84 divisors (see below), whose sum is σ = 305153531424. Its totient is φ = 49212000000.

The previous prime is 123030199997. The next prime is 123030200101. The reversal of 123030200000 is 2030321.

It is a super-2 number, since 2×1230302000002 (a number of 23 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 107576 + ... + 507575.

It is an arithmetic number, because the mean of its divisors is an integer number (3632780136).

Almost surely, 2123030200000 is an apocalyptic number.

123030200000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123030200000 is an abundant number, since it is smaller than the sum of its proper divisors (182123331424).

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

123030200000 is an frugal number, since it uses more digits than its factorization.

123030200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615188 (or 615158 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 123030200000 its reverse (2030321), we get a palindrome (123032230321).

The spelling of 123030200000 in words is "one hundred twenty-three billion, thirty million, two hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 20000 25000 40000 50000 100000 200000 615151 1230302 2460604 3075755 4921208 6151510 9842416 12303020 15378775 19684832 24606040 30757550 39369664 49212080 61515100 76893875 98424160 123030200 153787750 196848320 246060400 307575500 384469375 492120800 615151000 768938750 984241600 1230302000 1537877500 1922346875 2460604000 3075755000 3844693750 4921208000 6151510000 7689387500 12303020000 15378775000 24606040000 30757550000 61515100000 123030200000