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101240113 = 1319409879
BaseRepresentation
bin1100000100011…
…00110100110001
321001111112022211
412002030310301
5201404140423
614013532121
72336345452
oct602146461
9231445284
10101240113
1152169217
1229aa4041
1317c890c0
14d635129
158d4c10d
hex608cd31

101240113 has 8 divisors (see below), whose sum is σ = 114766400. Its totient is φ = 88533648.

The previous prime is 101240099. The next prime is 101240143. The reversal of 101240113 is 311042101.

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-101240113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101240093 and 101240102.

It is not an unprimeable number, because it can be changed into a prime (101240143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204693 + ... + 205186.

It is an arithmetic number, because the mean of its divisors is an integer number (14345800).

Almost surely, 2101240113 is an apocalyptic number.

101240113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101240113 is a deficient number, since it is larger than the sum of its proper divisors (13526287).

101240113 is a wasteful number, since it uses less digits than its factorization.

101240113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409911.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101240113 is about 10061.8145977751. The cubic root of 101240113 is about 466.0697044324.

Adding to 101240113 its reverse (311042101), we get a palindrome (412282214).

The spelling of 101240113 in words is "one hundred one million, two hundred forty thousand, one hundred thirteen".

Divisors: 1 13 19 247 409879 5328427 7787701 101240113