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108909220423 = 367621147779
BaseRepresentation
bin110010101101101111…
…1101101001001000111
3101102010001220122002111
41211123133231021013
53241021230023143
6122010542321451
710603605046033
oct1453337551107
9342101818074
10108909220423
1142208463293
1219135589287
13a368526cc3
1453b23a51c3
152c7648399d
hex195b7ed247

108909220423 has 8 divisors (see below), whose sum is σ = 109225844480. Its totient is φ = 108592705080.

The previous prime is 108909220397. The next prime is 108909220471. The reversal of 108909220423 is 324022909801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108909220423 - 233 = 100319285831 is a prime.

It is a super-2 number, since 2×1089092204232 (a number of 23 digits) 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 (108909226423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255548 + ... + 2303326.

It is an arithmetic number, because the mean of its divisors is an integer number (13653230560).

Almost surely, 2108909220423 is an apocalyptic number.

108909220423 is a deficient number, since it is larger than the sum of its proper divisors (316624057).

108909220423 is an equidigital number, since it uses as much as digits as its factorization.

108909220423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54357.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 108909220423 in words is "one hundred eight billion, nine hundred nine million, two hundred twenty thousand, four hundred twenty-three".

Divisors: 1 367 6211 47779 2279437 17534893 296755369 108909220423