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105192013609 = 106963983443
BaseRepresentation
bin110000111110111101…
…1101011111100101001
3101001112000022221222001
41201331323223330221
53210413123413414
6120154033531001
710412520235264
oct1417573537451
9331460287861
10105192013609
1140680170841
1218478713a61
139bc538a447
14513c825cdb
152b09e6e074
hex187deebf29

105192013609 has 4 divisors (see below), whose sum is σ = 105193104016. Its totient is φ = 105190923204.

The previous prime is 105192013601. The next prime is 105192013613. The reversal of 105192013609 is 906310291501.

It is a happy number.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 906310291501 = 4122105129061.

It is a cyclic number.

It is not a de Polignac number, because 105192013609 - 23 = 105192013601 is a prime.

It is a super-2 number, since 2×1051920136092 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105192013601) 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, 384759 + ... + 598684.

It is an arithmetic number, because the mean of its divisors is an integer number (26298276004).

Almost surely, 2105192013609 is an apocalyptic number.

It is an amenable number.

105192013609 is a deficient number, since it is larger than the sum of its proper divisors (1090407).

105192013609 is an equidigital number, since it uses as much as digits as its factorization.

105192013609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090406.

The product of its (nonzero) digits is 14580, while the sum is 37.

The spelling of 105192013609 in words is "one hundred five billion, one hundred ninety-two million, thirteen thousand, six hundred nine".

Divisors: 1 106963 983443 105192013609