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123132131322 = 2320522021887
BaseRepresentation
bin111001010101100111…
…1110011011111111010
3102202211021211100221020
41302223033303133322
54004133311200242
6132322140523310
711616220563414
oct1625317633772
9382737740836
10123132131322
1148246972802
121ba44850536
13b7c4082505
145d613059b4
153309e496ec
hex1cab3f37fa

123132131322 has 8 divisors (see below), whose sum is σ = 246264262656. Its totient is φ = 41044043772.

The previous prime is 123132131303. The next prime is 123132131389. The reversal of 123132131322 is 223131231321.

It is a sphenic number, since it is the product of 3 distinct primes.

123132131322 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 123132131292 and 123132131301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10261010938 + ... + 10261010949.

It is an arithmetic number, because the mean of its divisors is an integer number (30783032832).

Almost surely, 2123132131322 is an apocalyptic number.

123132131322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123132131322 is a wasteful number, since it uses less digits than its factorization.

123132131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20522021892.

The product of its digits is 1296, while the sum is 24.

Adding to 123132131322 its reverse (223131231321), we get a palindrome (346263362643).

Subtracting 123132131322 from its reverse (223131231321), we obtain a palindrome (99999099999).

The spelling of 123132131322 in words is "one hundred twenty-three billion, one hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 20522021887 41044043774 61566065661 123132131322