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450878230144 = 27173715137087
BaseRepresentation
bin1101000111110100110…
…11111100111010000000
31121002210110221020220001
412203322123330322000
524341344311331034
6543044113125344
744401116502336
oct6437233747200
91532713836801
10450878230144
11164242008791
1273472259854
1333696321874
1417b733c3b56
15badd419a14
hex68fa6fce80

450878230144 has 128 divisors (see below), whose sum is σ = 983271121920. Its totient is φ = 205070745600.

The previous prime is 450878230111. The next prime is 450878230157. The reversal of 450878230144 is 441032878054.

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

It is a junction number, because it is equal to n+sod(n) for n = 450878230094 and 450878230103.

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, 12138769 + ... + 12175855.

It is an arithmetic number, because the mean of its divisors is an integer number (7681805640).

Almost surely, 2450878230144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450878230144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491635560960).

450878230144 is an abundant number, since it is smaller than the sum of its proper divisors (532392891776).

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

450878230144 is a wasteful number, since it uses less digits than its factorization.

450878230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37306 (or 37294 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The spelling of 450878230144 in words is "four hundred fifty billion, eight hundred seventy-eight million, two hundred thirty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 37 64 68 74 128 136 148 151 272 296 302 544 592 604 629 1088 1184 1208 1258 2176 2368 2416 2516 2567 4736 4832 5032 5134 5587 9664 10064 10268 11174 19328 20128 20536 22348 37087 40256 41072 44696 74174 80512 82144 89392 94979 148348 164288 178784 189958 296696 328576 357568 379916 593392 630479 715136 759832 1186784 1260958 1372219 1519664 2373568 2521916 2744438 3039328 4747136 5043832 5488876 5600137 6078656 10087664 10977752 11200274 12157312 20175328 21955504 22400548 23327723 40350656 43911008 44801096 46655446 80701312 87822016 89602192 93310892 95202329 175644032 179204384 186621784 190404658 207205069 358408768 373243568 380809316 414410138 716817536 746487136 761618632 828820276 1492974272 1523237264 1657640552 2985948544 3046474528 3315281104 3522486173 6092949056 6630562208 7044972346 12185898112 13261124416 14089944692 26522248832 28179889384 56359778768 112719557536 225439115072 450878230144