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123041713 = 433284161
BaseRepresentation
bin1110101010101…
…11011110110001
322120112011111111
413111113132301
5222444313323
620113113321
73022560124
oct725273661
9276464444
10123041713
11634aa073
1235258841
131c650562
14124ac3bb
15ac06c0d
hex75577b1

123041713 has 4 divisors (see below), whose sum is σ = 123326308. Its totient is φ = 122757120.

The previous prime is 123041683. The next prime is 123041729. The reversal of 123041713 is 317140321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317140321 = 1718655313.

It can be written as a sum of positive squares in 2 ways, for example, as 16064064 + 106977649 = 4008^2 + 10343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123041713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123041753) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 141648 + ... + 142513.

It is an arithmetic number, because the mean of its divisors is an integer number (30831577).

Almost surely, 2123041713 is an apocalyptic number.

It is an amenable number.

123041713 is a deficient number, since it is larger than the sum of its proper divisors (284595).

123041713 is an equidigital number, since it uses as much as digits as its factorization.

123041713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284594.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 123041713 is about 11092.4169142708. The cubic root of 123041713 is about 497.3751955820.

The spelling of 123041713 in words is "one hundred twenty-three million, forty-one thousand, seven hundred thirteen".

Divisors: 1 433 284161 123041713