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244545424545464 = 23713731875055337
BaseRepresentation
bin110111100110100110101011…
…001010010101011010111000
31012001212022111002202111000022
4313212212223022111122320
5224023113012140423324
62224034341144430012
7102336552406464230
oct6746465312253270
91161768432674008
10244545424545464
1170a1314a962849
122351665ba78308
13a65b6c46378b3
1444560c1444cc0
151d412c36e905e
hexde69ab2956b8

244545424545464 has 32 divisors (see below), whose sum is σ = 527850916397280. Its totient is φ = 104040180616704.

The previous prime is 244545424545463. The next prime is 244545424545491. The reversal of 244545424545464 is 464545424545442.

It is a super-2 number, since 2×2445454245454642 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244545424545397 and 244545424545406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244545424545463) 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, 15937519997 + ... + 15937535340.

It is an arithmetic number, because the mean of its divisors is an integer number (16495341137415).

Almost surely, 2244545424545464 is an apocalyptic number.

It is an amenable number.

244545424545464 is an abundant number, since it is smaller than the sum of its proper divisors (283305491851816).

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

244545424545464 is a wasteful number, since it uses less digits than its factorization.

244545424545464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875055487 (or 31875055483 counting only the distinct ones).

The product of its digits is 983040000, while the sum is 62.

The spelling of 244545424545464 in words is "two hundred forty-four trillion, five hundred forty-five billion, four hundred twenty-four million, five hundred forty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 137 274 548 959 1096 1918 3836 7672 31875055337 63750110674 127500221348 223125387359 255000442696 446250774718 892501549436 1785003098872 4366882581169 8733765162338 17467530324676 30568178068183 34935060649352 61136356136366 122272712272732 244545424545464