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45475056281 = 291739064193
BaseRepresentation
bin101010010110100001…
…100100101010011001
311100101020100012202202
4222112201210222121
51221113103300111
632520240135545
73166625413004
oct522641445231
9140336305682
1045475056281
1118316535946
1289916075b5
134399471835
1422b57b053b
1512b24cab3b
hexa96864a99

45475056281 has 8 divisors (see below), whose sum is σ = 47315092680. Its totient is φ = 43653148672.

The previous prime is 45475056197. The next prime is 45475056359. The reversal of 45475056281 is 18265057454.

It can be written as a sum of positive squares in 4 ways, for example, as 32010935056 + 13464121225 = 178916^2 + 116035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45475056281 - 210 = 45475055257 is a prime.

It is a super-2 number, since 2×454750562812 (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45475052281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4527080 + ... + 4537113.

It is an arithmetic number, because the mean of its divisors is an integer number (5914386585).

Almost surely, 245475056281 is an apocalyptic number.

It is an amenable number.

45475056281 is a deficient number, since it is larger than the sum of its proper divisors (1840036399).

45475056281 is a wasteful number, since it uses less digits than its factorization.

45475056281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064395.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 45475056281 in words is "forty-five billion, four hundred seventy-five million, fifty-six thousand, two hundred eighty-one".

Divisors: 1 29 173 5017 9064193 262861597 1568105389 45475056281