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106785819311 = 176281518783
BaseRepresentation
bin110001101110011101…
…1100100101010101111
3101012122002100200100212
41203130323210222233
53222144132204221
6121020130413035
710500152326163
oct1433473445257
9335562320325
10106785819311
11413188a1636
121884243117b
13a0ba634942
145250386ca3
152b9ed47b5b
hex18dcee4aaf

106785819311 has 4 divisors (see below), whose sum is σ = 113067338112. Its totient is φ = 100504300512.

The previous prime is 106785819271. The next prime is 106785819313. The reversal of 106785819311 is 113918587601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106785819311 - 26 = 106785819247 is a prime.

It is a super-2 number, since 2×1067858193112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106785819311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106785819313) 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, 3140759375 + ... + 3140759408.

It is an arithmetic number, because the mean of its divisors is an integer number (28266834528).

Almost surely, 2106785819311 is an apocalyptic number.

106785819311 is a deficient number, since it is larger than the sum of its proper divisors (6281518801).

106785819311 is an equidigital number, since it uses as much as digits as its factorization.

106785819311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281518800.

The product of its (nonzero) digits is 362880, while the sum is 50.

The spelling of 106785819311 in words is "one hundred six billion, seven hundred eighty-five million, eight hundred nineteen thousand, three hundred eleven".

Divisors: 1 17 6281518783 106785819311