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101124413 = 137778801
BaseRepresentation
bin1100000011100…
…00100100111101
321001021122121122
412001300210331
5201341440123
614011240325
72335354235
oct601604475
9231248548
10101124413
115209a2a5
1229a490a5
1317c48540
14d604cc5
158d27bc8
hex607093d

101124413 has 4 divisors (see below), whose sum is σ = 108903228. Its totient is φ = 93345600.

The previous prime is 101124389. The next prime is 101124427. The reversal of 101124413 is 314421101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314421101 = 1916548479.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 79798489 = 4618^2 + 8933^2 .

It is a cyclic number.

It is not a de Polignac number, because 101124413 - 210 = 101123389 is a prime.

It is a super-2 number, since 2×1011244132 = 20452293809189138, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101124391 and 101124400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101124913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3889388 + ... + 3889413.

It is an arithmetic number, because the mean of its divisors is an integer number (27225807).

Almost surely, 2101124413 is an apocalyptic number.

101124413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101124413 is a deficient number, since it is larger than the sum of its proper divisors (7778815).

101124413 is an equidigital number, since it uses as much as digits as its factorization.

101124413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778814.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101124413 is about 10056.0634942307. The cubic root of 101124413 is about 465.8920909737.

Adding to 101124413 its reverse (314421101), we get a palindrome (415545514).

The spelling of 101124413 in words is "one hundred one million, one hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 13 7778801 101124413