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80247187745444 = 22419171757278767
BaseRepresentation
bin10010001111110000000001…
…000111101010101010100100
3101112010120000111012112202002
4102033300001013222222210
541004232220030323234
6442401014335504432
722621445056232246
oct2217600107525244
9345116014175662
1080247187745444
1123629706495975
129000538988118
1335a137b3c3055
1415b5dadab2096
159426308e727e
hex48fc011eaaa4

80247187745444 has 24 divisors (see below), whose sum is σ = 140769064383360. Its totient is φ = 40027456868256.

The previous prime is 80247187745423. The next prime is 80247187745453. The reversal of 80247187745444 is 44454778174208.

It is a super-2 number, since 2×802471877454442 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287725349 + ... + 288004115.

It is an arithmetic number, because the mean of its divisors is an integer number (5865377682640).

Almost surely, 280247187745444 is an apocalyptic number.

It is an amenable number.

80247187745444 is a deficient number, since it is larger than the sum of its proper divisors (60521876637916).

80247187745444 is a wasteful number, since it uses less digits than its factorization.

80247187745444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450947 (or 450945 counting only the distinct ones).

The product of its (nonzero) digits is 224788480, while the sum is 65.

The spelling of 80247187745444 in words is "eighty trillion, two hundred forty-seven billion, one hundred eighty-seven million, seven hundred forty-five thousand, four hundred forty-four".

Divisors: 1 2 4 419 838 1676 171757 278767 343514 557534 687028 1115068 71966183 116803373 143932366 233606746 287864732 467213492 47880183619 95760367238 191520734476 20061796936361 40123593872722 80247187745444