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103140101 = 432398607
BaseRepresentation
bin1100010010111…
…00101100000101
321012002001121202
412021130230011
5202400440401
614122352245
72361451001
oct611345405
9235061552
10103140101
1153246759
122a65b685
13184a2b5c
14d9ab701
1590c506b
hex625cb05

103140101 has 4 divisors (see below), whose sum is σ = 105538752. Its totient is φ = 100741452.

The previous prime is 103140077. The next prime is 103140181. The reversal of 103140101 is 101041301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101041301 = 439123011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103140101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140181) 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, 1199261 + ... + 1199346.

It is an arithmetic number, because the mean of its divisors is an integer number (26384688).

Almost surely, 2103140101 is an apocalyptic number.

It is an amenable number.

103140101 is a deficient number, since it is larger than the sum of its proper divisors (2398651).

103140101 is an equidigital number, since it uses as much as digits as its factorization.

103140101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398650.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 103140101 is about 10155.7915004198. The cubic root of 103140101 is about 468.9672525147.

Adding to 103140101 its reverse (101041301), we get a palindrome (204181402).

The spelling of 103140101 in words is "one hundred three million, one hundred forty thousand, one hundred one".

Divisors: 1 43 2398607 103140101