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45047304109 = 97464405197
BaseRepresentation
bin101001111101000001…
…110100111110101101
311022021102110011002201
4221331001310332231
51214224102212414
632410000021501
73153212524063
oct517501647655
9138242404081
1045047304109
1118117035355
128892301891
13432b964442
142274a64033
151289b84574
hexa7d074fad

45047304109 has 4 divisors (see below), whose sum is σ = 45511709404. Its totient is φ = 44582898816.

The previous prime is 45047304059. The next prime is 45047304119. The reversal of 45047304109 is 90140374054.

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 37281817225 + 7765486884 = 193085^2 + 88122^2 .

It is a cyclic number.

It is not a de Polignac number, because 45047304109 - 223 = 45038915501 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 (45047304119) 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, 232202502 + ... + 232202695.

It is an arithmetic number, because the mean of its divisors is an integer number (11377927351).

Almost surely, 245047304109 is an apocalyptic number.

It is an amenable number.

45047304109 is a deficient number, since it is larger than the sum of its proper divisors (464405295).

45047304109 is an equidigital number, since it uses as much as digits as its factorization.

45047304109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464405294.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 45047304109 in words is "forty-five billion, forty-seven million, three hundred four thousand, one hundred nine".

Divisors: 1 97 464405197 45047304109