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1040140103 = 1975279899
BaseRepresentation
bin111101111111110…
…100011101000111
32200111012120222112
4331333310131013
54112233440403
6251113451235
734530021302
oct7577643507
92614176875
101040140103
1149414a722
12250410b1b
13137652722
149c1d9b39
15614ae9d8
hex3dff4747

1040140103 has 4 divisors (see below), whose sum is σ = 1045420200. Its totient is φ = 1034860008.

The previous prime is 1040140091. The next prime is 1040140133. The reversal of 1040140103 is 3010410401.

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: 3010410401 = 19115761311.

It is a cyclic number.

It is not a de Polignac number, because 1040140103 - 26 = 1040140039 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 (1040140133) 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, 2639753 + ... + 2640146.

It is an arithmetic number, because the mean of its divisors is an integer number (261355050).

Almost surely, 21040140103 is an apocalyptic number.

1040140103 is a deficient number, since it is larger than the sum of its proper divisors (5280097).

1040140103 is an equidigital number, since it uses as much as digits as its factorization.

1040140103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5280096.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1040140103 is about 32251.2031248448. The cubic root of 1040140103 is about 1013.2048975055.

Adding to 1040140103 its reverse (3010410401), we get a palindrome (4050550504).

The spelling of 1040140103 in words is "one billion, forty million, one hundred forty thousand, one hundred three".

Divisors: 1 197 5279899 1040140103