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108408448291309 = 866253112514639
BaseRepresentation
bin11000101001100011001111…
…000011010001000111101101
3112012211202011011012222002221
4120221203033003101013231
5103202131000230310214
61022322053103115341
731556152260304435
oct3051431703210755
9465752134188087
10108408448291309
11315a6845949041
12101aa349ba2b51
134864b4673a57a
141caadd56932c5
15c7ee44b7ae24
hex6298cf0d11ed

108408448291309 has 4 divisors (see below), whose sum is σ = 108408469468480. Its totient is φ = 108408427114140.

The previous prime is 108408448291277. The next prime is 108408448291337. The reversal of 108408448291309 is 903192844804801.

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.

It is a cyclic number.

It is not a de Polignac number, because 108408448291309 - 25 = 108408448291277 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 (108408448291109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405212 + ... + 14919850.

It is an arithmetic number, because the mean of its divisors is an integer number (27102117367120).

Almost surely, 2108408448291309 is an apocalyptic number.

It is an amenable number.

108408448291309 is a deficient number, since it is larger than the sum of its proper divisors (21177171).

108408448291309 is an equidigital number, since it uses as much as digits as its factorization.

108408448291309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21177170.

The product of its (nonzero) digits is 15925248, while the sum is 61.

The spelling of 108408448291309 in words is "one hundred eight trillion, four hundred eight billion, four hundred forty-eight million, two hundred ninety-one thousand, three hundred nine".

Divisors: 1 8662531 12514639 108408448291309