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45461979634 = 222730989817
BaseRepresentation
bin101010010101101111…
…101100000111110010
311100100022201211222111
4222111233230013302
51221101231322014
632515051555534
73166406310451
oct522557540762
9140308654874
1045461979634
111830a1141a5
12898915bbaa
134396843786
1422b3b68b98
1512b12962c4
hexa95bec1f2

45461979634 has 4 divisors (see below), whose sum is σ = 68192969454. Its totient is φ = 22730989816.

The previous prime is 45461979631. The next prime is 45461979677. The reversal of 45461979634 is 43697916454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43697916454 = 221848958227.

It can be written as a sum of positive squares in only one way, i.e., 31889030625 + 13572949009 = 178575^2 + 116503^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45461979631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11365494907 + ... + 11365494910.

Almost surely, 245461979634 is an apocalyptic number.

45461979634 is a deficient number, since it is larger than the sum of its proper divisors (22730989820).

45461979634 is a wasteful number, since it uses less digits than its factorization.

45461979634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22730989819.

The product of its digits is 19595520, while the sum is 58.

The spelling of 45461979634 in words is "forty-five billion, four hundred sixty-one million, nine hundred seventy-nine thousand, six hundred thirty-four".

Divisors: 1 2 22730989817 45461979634