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124201313 = 535939719
BaseRepresentation
bin1110110011100…
…10100101100001
322122201002011122
413121302211201
5223243420223
620154022025
73035456645
oct731624541
9278632148
10124201313
1164121315
1235717915
131c968302
14126d0c25
15ad855c8
hex7672961

124201313 has 8 divisors (see below), whose sum is σ = 128692800. Its totient is φ = 119789488.

The previous prime is 124201289. The next prime is 124201321. The reversal of 124201313 is 313102421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124201313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124201291 and 124201300.

It is not an unprimeable number, because it can be changed into a prime (124201333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16733 + ... + 22986.

It is an arithmetic number, because the mean of its divisors is an integer number (16086600).

Almost surely, 2124201313 is an apocalyptic number.

It is an amenable number.

124201313 is a deficient number, since it is larger than the sum of its proper divisors (4491487).

124201313 is an equidigital number, since it uses as much as digits as its factorization.

124201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39831.

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

The square root of 124201313 is about 11144.5642804015. The cubic root of 124201313 is about 498.9328078223.

Adding to 124201313 its reverse (313102421), we get a palindrome (437303734).

The spelling of 124201313 in words is "one hundred twenty-four million, two hundred one thousand, three hundred thirteen".

Divisors: 1 53 59 3127 39719 2105107 2343421 124201313