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445454047830144 = 2732971563398049
BaseRepresentation
bin110010101001000110101101…
…0010010001110000010000000
32011102012222202111101212120010
41211102031122102032002000
5431341304342221031034
64215222433044344520
7162553664365441203
oct14522153222160200
92142188674355503
10445454047830144
11119a32001045341
1241b63b8b3a5140
13161731a0a84a92
147c0013b80393a
153677436d7c3e9
hex195235a48e080

445454047830144 has 128 divisors (see below), whose sum is σ = 1241278583760000. Its totient is φ = 141345302282240.

The previous prime is 445454047830131. The next prime is 445454047830223. The reversal of 445454047830144 is 441038740454544.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280908369 + ... + 282489680.

It is an arithmetic number, because the mean of its divisors is an integer number (9697488935625).

Almost surely, 2445454047830144 is an apocalyptic number.

It is an amenable number.

445454047830144 is an abundant number, since it is smaller than the sum of its proper divisors (795824535929856).

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

445454047830144 is a wasteful number, since it uses less digits than its factorization.

445454047830144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563398166 (or 563398154 counting only the distinct ones).

The product of its (nonzero) digits is 68812800, while the sum is 57.

The spelling of 445454047830144 in words is "four hundred forty-five trillion, four hundred fifty-four billion, forty-seven million, eight hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 64 71 87 96 116 128 142 174 192 213 232 284 348 384 426 464 568 696 852 928 1136 1392 1704 1856 2059 2272 2784 3408 3712 4118 4544 5568 6177 6816 8236 9088 11136 12354 13632 16472 24708 27264 32944 49416 65888 98832 131776 197664 263552 395328 790656 563398049 1126796098 1690194147 2253592196 3380388294 4507184392 6760776588 9014368784 13521553176 16338543421 18028737568 27043106352 32677086842 36057475136 40001261479 49015630263 54086212704 65354173684 72114950272 80002522958 98031260526 108172425408 120003784437 130708347368 160005045916 196062521052 216344850816 240007568874 261416694736 320010091832 392125042104 480015137748 522833389472 640020183664 784250084208 960030275496 1045666778944 1160036582891 1280040367328 1568500168416 1920060550992 2091333557888 2320073165782 2560080734656 3137000336832 3480109748673 3840121101984 4640146331564 5120161469312 6274000673664 6960219497346 7680242203968 9280292663128 13920438994692 15360484407936 18560585326256 27840877989384 37121170652512 55681755978768 74242341305024 111363511957536 148484682610048 222727023915072 445454047830144