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45449386054480 = 24544091039912391
BaseRepresentation
bin10100101010110000000101…
…00000101101001101010000
312221220220210212012000102101
422111120002200231031100
521424120320312220410
6240355054255330144
712400416104202052
oct1225300240551520
9187826725160371
1045449386054480
1113532a81623691
12512048b520954
131c48b2179a7b5
14b31a94dbb8d2
1553c399856d3a
hex29560282d350

45449386054480 has 80 divisors (see below), whose sum is σ = 105712483968000. Its totient is φ = 18172416568320.

The previous prime is 45449386054421. The next prime is 45449386054483. The reversal of 45449386054480 is 8445068394454.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×454493860544802 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45449386054483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667929085 + ... + 3667941475.

It is an arithmetic number, because the mean of its divisors is an integer number (1321406049600).

Almost surely, 245449386054480 is an apocalyptic number.

45449386054480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45449386054480 is an abundant number, since it is smaller than the sum of its proper divisors (60263097913520).

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

45449386054480 is a wasteful number, since it uses less digits than its factorization.

45449386054480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27212 (or 27206 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 64.

The spelling of 45449386054480 in words is "forty-five trillion, four hundred forty-nine billion, three hundred eighty-six million, fifty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 4409 8818 10399 12391 17636 20798 22045 24782 35272 41596 44090 49564 51995 61955 70544 83192 88180 99128 103990 123910 166384 176360 198256 207980 247820 352720 415960 495640 831920 991280 45849191 54631919 91698382 109263838 128854009 183396764 218527676 229245955 257708018 273159595 366793528 437055352 458491910 515416036 546319190 644270045 733587056 874110704 916983820 1030832072 1092638380 1288540090 1833967640 2061664144 2185276760 2577080180 3667935280 4370553520 5154160360 10308320720 568117325681 1136234651362 2272469302724 2840586628405 4544938605448 5681173256810 9089877210896 11362346513620 22724693027240 45449386054480