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106718903 = 1009105767
BaseRepresentation
bin1100101110001…
…10011010110111
321102210212210222
412113012122313
5204310001103
614331204555
72434044554
oct627063267
9242725728
10106718903
1155270545
122b8a675b
1319156aa5
141025da2b
159580638
hex65c66b7

106718903 has 4 divisors (see below), whose sum is σ = 106825680. Its totient is φ = 106612128.

The previous prime is 106718891. The next prime is 106718933. The reversal of 106718903 is 309817601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 309817601 = 1013067501.

It is a cyclic number.

It is not a de Polignac number, because 106718903 - 212 = 106714807 is a prime.

It is a super-2 number, since 2×1067189032 = 22777848515046818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106718933) 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, 51875 + ... + 53892.

It is an arithmetic number, because the mean of its divisors is an integer number (26706420).

Almost surely, 2106718903 is an apocalyptic number.

106718903 is a deficient number, since it is larger than the sum of its proper divisors (106777).

106718903 is a wasteful number, since it uses less digits than its factorization.

106718903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 106718903 is about 10330.4841609675. The cubic root of 106718903 is about 474.3298442416.

The spelling of 106718903 in words is "one hundred six million, seven hundred eighteen thousand, nine hundred three".

Divisors: 1 1009 105767 106718903