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123013010010 = 23511372766697
BaseRepresentation
bin111001010010000100…
…1011001001001011010
3102202111222200101012210
41302210021121021122
54003412312310020
6132302243415550
711613243222102
oct1624411311132
9382458611183
10123013010010
1148195701140
121ba109845b6
13b7a54a5527
145d4d578202
1532ee7693e0
hex1ca425925a

123013010010 has 32 divisors (see below), whose sum is σ = 322070427072. Its totient is φ = 29821335680.

The previous prime is 123013009927. The next prime is 123013010023. The reversal of 123013010010 is 10010310321.

It is a Curzon 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, 186383019 + ... + 186383678.

It is an arithmetic number, because the mean of its divisors is an integer number (10064700846).

Almost surely, 2123013010010 is an apocalyptic number.

123013010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123013010010 is an abundant number, since it is smaller than the sum of its proper divisors (199057417062).

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

123013010010 is a wasteful number, since it uses less digits than its factorization.

123013010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372766718.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 123013010010 its reverse (10010310321), we get a palindrome (133023320331).

The spelling of 123013010010 in words is "one hundred twenty-three billion, thirteen million, ten thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 372766697 745533394 1118300091 1863833485 2236600182 3727666970 4100433667 5591500455 8200867334 11183000910 12301301001 20502168335 24602602002 41004336670 61506505005 123013010010