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349091911153 = 1237728204889
BaseRepresentation
bin1010001010001110111…
…11111101010111110001
31020101001211000111122201
411011013133331113301
521204420012124103
6424212015103201
734135552166626
oct5050737752761
91211054014581
10349091911153
1112505a3127a7
12577a6211b01
1326bc470224b
1412c7900c34d
15913247a51d
hex51477fd5f1

349091911153 has 4 divisors (see below), whose sum is σ = 349120128420. Its totient is φ = 349063693888.

The previous prime is 349091911141. The next prime is 349091911159. The reversal of 349091911153 is 351119190943.

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

It can be written as a sum of positive squares in 2 ways, for example, as 186406335504 + 162685575649 = 431748^2 + 403343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-349091911153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349091911159) 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, 14090068 + ... + 14114821.

It is an arithmetic number, because the mean of its divisors is an integer number (87280032105).

Almost surely, 2349091911153 is an apocalyptic number.

It is an amenable number.

349091911153 is a deficient number, since it is larger than the sum of its proper divisors (28217267).

349091911153 is a wasteful number, since it uses less digits than its factorization.

349091911153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28217266.

The product of its (nonzero) digits is 131220, while the sum is 46.

The spelling of 349091911153 in words is "three hundred forty-nine billion, ninety-one million, nine hundred eleven thousand, one hundred fifty-three".

Divisors: 1 12377 28204889 349091911153