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123010200030 = 23521119432891
BaseRepresentation
bin111001010001111111…
…0101011000111011110
3102202111210101121122110
41302203332223013132
54003411102400110
6132302103254450
711613210306534
oct1624376530736
9382453347573
10123010200030
1148194061a43
121ba0ba4a426
13b7a4a30513
145d4d046154
1532ee3b1a20
hex1ca3fab1de

123010200030 has 32 divisors (see below), whose sum is σ = 296623663488. Its totient is φ = 32647255200.

The previous prime is 123010200029. The next prime is 123010200043. The reversal of 123010200030 is 30002010321.

It is a happy number.

It is a super-2 number, since 2×1230102000302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123010199979 and 123010200015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9710116 + ... + 9722775.

It is an arithmetic number, because the mean of its divisors is an integer number (9269489484).

Almost surely, 2123010200030 is an apocalyptic number.

123010200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123010200030 is an abundant number, since it is smaller than the sum of its proper divisors (173613463458).

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

123010200030 is a wasteful number, since it uses less digits than its factorization.

123010200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19433112.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 123010200030 its reverse (30002010321), we get a palindrome (153012210351).

The spelling of 123010200030 in words is "one hundred twenty-three billion, ten million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 211 422 633 1055 1266 2110 3165 6330 19432891 38865782 58298673 97164455 116597346 194328910 291493365 582986730 4100340001 8200680002 12301020003 20501700005 24602040006 41003400010 61505100015 123010200030