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123010220203 = 13531371303171
BaseRepresentation
bin111001010001111111…
…0110000000010101011
3102202111210102122022121
41302203332300002223
54003411104021303
6132302103532111
711613210422413
oct1624376600253
9382453378277
10123010220203
1148194076112
121ba0ba5a037
13b7a4a39760
145d4d04d643
1532ee3b79bd
hex1ca3fb00ab

123010220203 has 16 divisors (see below), whose sum is σ = 135957328416. Its totient is φ = 110592218880.

The previous prime is 123010220183. The next prime is 123010220209. The reversal of 123010220203 is 302022010321.

It is a de Polignac number, because none of the positive numbers 2k-123010220203 is a prime.

It is a super-3 number, since 3×1230102202033 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (123010220209) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 557193 + ... + 745978.

It is an arithmetic number, because the mean of its divisors is an integer number (8497333026).

Almost surely, 2123010220203 is an apocalyptic number.

123010220203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123010220203 is a deficient number, since it is larger than the sum of its proper divisors (12947108213).

123010220203 is a wasteful number, since it uses less digits than its factorization.

123010220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303374.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 123010220203 its reverse (302022010321), we get a palindrome (425032230524).

The spelling of 123010220203 in words is "one hundred twenty-three billion, ten million, two hundred twenty thousand, two hundred three".

Divisors: 1 13 53 137 689 1781 7261 94393 1303171 16941223 69068063 178534427 897884819 2320947551 9462324631 123010220203