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5445105321 = 317148172091
BaseRepresentation
bin1010001001000110…
…11011011010101001
3112001110221000021110
411010203123122221
542122421332241
62300151300533
7251635426425
oct50443333251
915043830243
105445105321
112344690247
12107b67a749
1368a133716
14399247b85
1521d079816
hex1448db6a9

5445105321 has 16 divisors (see below), whose sum is σ = 7692504768. Its totient is φ = 3414182400.

The previous prime is 5445105317. The next prime is 5445105373. The reversal of 5445105321 is 1235015445.

It is not a de Polignac number, because 5445105321 - 22 = 5445105317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5445105821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39486 + ... + 111576.

It is an arithmetic number, because the mean of its divisors is an integer number (480781548).

Almost surely, 25445105321 is an apocalyptic number.

5445105321 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5445105321 is a deficient number, since it is larger than the sum of its proper divisors (2247399447).

5445105321 is a wasteful number, since it uses less digits than its factorization.

5445105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73592.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5445105321 is about 73790.9569053011. The cubic root of 5445105321 is about 1759.2818739721.

The spelling of 5445105321 in words is "five billion, four hundred forty-five million, one hundred five thousand, three hundred twenty-one".

Divisors: 1 3 17 51 1481 4443 25177 72091 75531 216273 1225547 3676641 106766771 320300313 1815035107 5445105321