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445248380836 = 227157101284891
BaseRepresentation
bin1100111101010101101…
…11110001111110100100
31120120021010101021111201
412132222313301332210
524243332041141321
6540313322012244
744111445535450
oct6365267617644
91516233337451
10445248380836
11161913115666
1272360947084
1332ca9b45b9c
141779b809660
15b8ae04b291
hex67aadf1fa4

445248380836 has 24 divisors (see below), whose sum is σ = 896168724416. Its totient is φ = 189605314080.

The previous prime is 445248380831. The next prime is 445248380861. The reversal of 445248380836 is 638083842544.

It is a super-2 number, since 2×4452483808362 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445248380831) 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, 50638050 + ... + 50646841.

Almost surely, 2445248380836 is an apocalyptic number.

It is an amenable number.

445248380836 is an abundant number, since it is smaller than the sum of its proper divisors (450920343580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445248380836 is a wasteful number, since it uses less digits than its factorization.

445248380836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101285059 (or 101285057 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 55.

The spelling of 445248380836 in words is "four hundred forty-five billion, two hundred forty-eight million, three hundred eighty thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 157 314 628 1099 2198 4396 101284891 202569782 405139564 708994237 1417988474 2835976948 15901727887 31803455774 63606911548 111312095209 222624190418 445248380836