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13123123302 = 2343179284161
BaseRepresentation
bin11000011100011001…
…01111100001100110
31020212120110201212210
430032030233201212
5203334004421202
610010110024250
7643126464462
oct141614574146
936776421783
1013123123302
11562472a853
122662aa8086
131311a50423
148c6c594a2
1551c172c6c
hex30e32f866

13123123302 has 32 divisors (see below), whose sum is σ = 27006756480. Its totient is φ = 4248760320.

The previous prime is 13123123289. The next prime is 13123123331. The reversal of 13123123302 is 20332132131.

13123123302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 95899 + ... + 188262.

It is an arithmetic number, because the mean of its divisors is an integer number (843961140).

Almost surely, 213123123302 is an apocalyptic number.

13123123302 is an abundant number, since it is smaller than the sum of its proper divisors (13883633178).

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

13123123302 is a wasteful number, since it uses less digits than its factorization.

13123123302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284388.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13123123302 its reverse (20332132131), we get a palindrome (33455255433).

The spelling of 13123123302 in words is "thirteen billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred two".

Divisors: 1 2 3 6 43 86 129 179 258 358 537 1074 7697 15394 23091 46182 284161 568322 852483 1704966 12218923 24437846 36656769 50864819 73313538 101729638 152594457 305188914 2187187217 4374374434 6561561651 13123123302