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45879397855 = 547871916833
BaseRepresentation
bin101010101110101000…
…000000110111011111
311101102102011220010121
4222232220000313133
51222430111212410
633024322415411
73212635306264
oct525650006737
9141372156117
1045879397855
11185037a6735
128a84b01567
1344321732c5
14231338526b
1512d7c4a9da
hexaaea00ddf

45879397855 has 8 divisors (see below), whose sum is σ = 55066807152. Its totient is φ = 36695831808.

The previous prime is 45879397843. The next prime is 45879397859. The reversal of 45879397855 is 55879397854.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-45879397855 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 (45879397859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934482 + ... + 982351.

It is an arithmetic number, because the mean of its divisors is an integer number (6883350894).

Almost surely, 245879397855 is an apocalyptic number.

45879397855 is a deficient number, since it is larger than the sum of its proper divisors (9187409297).

45879397855 is a wasteful number, since it uses less digits than its factorization.

45879397855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921625.

The product of its digits is 381024000, while the sum is 70.

Subtracting 45879397855 from its reverse (55879397854), we obtain a palindrome (9999999999).

The spelling of 45879397855 in words is "forty-five billion, eight hundred seventy-nine million, three hundred ninety-seven thousand, eight hundred fifty-five".

Divisors: 1 5 4787 23935 1916833 9584165 9175879571 45879397855