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123032012102 = 21928111522009
BaseRepresentation
bin111001010010101000…
…1111000010101000110
3102202120022102210011222
41302211101320111012
54003432143341402
6132304203000342
711613563563556
oct1624521702506
9382508383158
10123032012102
11481a53aa74a
121ba172090b2
13b7a93c967c
145d51cc3166
15330126e7a2
hex1ca5478546

123032012102 has 16 divisors (see below), whose sum is σ = 194952409200. Its totient is φ = 58070920320.

The previous prime is 123032012099. The next prime is 123032012209. The reversal of 123032012102 is 201210230321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750327 + ... + 5771682.

It is an arithmetic number, because the mean of its divisors is an integer number (12184525575).

Almost surely, 2123032012102 is an apocalyptic number.

123032012102 is a deficient number, since it is larger than the sum of its proper divisors (71920397098).

123032012102 is a wasteful number, since it uses less digits than its factorization.

123032012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522311.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123032012102 its reverse (201210230321), we get a palindrome (324242242423).

The spelling of 123032012102 in words is "one hundred twenty-three billion, thirty-two million, twelve thousand, one hundred two".

Divisors: 1 2 19 38 281 562 5339 10678 11522009 23044018 218918171 437836342 3237684529 6475369058 61516006051 123032012102