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14549745631 = 139104674429
BaseRepresentation
bin11011000110011101…
…10111111111011111
31101112222220122210211
431203032313333133
5214244213330011
610403431313251
71023361540321
oct154316677737
941488818724
1014549745631
116196a52273
1229a081b827
1314ab490655
149c04db611
155a2525b21
hex3633b7fdf

14549745631 has 4 divisors (see below), whose sum is σ = 14654420200. Its totient is φ = 14445071064.

The previous prime is 14549745629. The next prime is 14549745641. The reversal of 14549745631 is 13654794541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13654794541 = 70913192557.

It is a cyclic number.

It is not a de Polignac number, because 14549745631 - 21 = 14549745629 is a prime.

It is a super-2 number, since 2×145497456312 (a number of 21 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 (14549745641) 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, 52337076 + ... + 52337353.

It is an arithmetic number, because the mean of its divisors is an integer number (3663605050).

Almost surely, 214549745631 is an apocalyptic number.

14549745631 is a deficient number, since it is larger than the sum of its proper divisors (104674569).

14549745631 is a wasteful number, since it uses less digits than its factorization.

14549745631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104674568.

The product of its digits is 1814400, while the sum is 49.

The spelling of 14549745631 in words is "fourteen billion, five hundred forty-nine million, seven hundred forty-five thousand, six hundred thirty-one".

Divisors: 1 139 104674429 14549745631