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490726664427552 = 25373508032081647
BaseRepresentation
bin110111110010100000011010…
…0100000111101100000100000
32101100112000021222200001111220
41233211000310200331200200
51003310031202043140202
64455404414545135040
7205235555132232540
oct15745006440754040
92340460258601456
10490726664427552
111323a7011940533
124705614702a480
13180a8430cb19a7
148927423a81320
153baedd790dabc
hex1be503483d820

490726664427552 has 96 divisors (see below), whose sum is σ = 1472184897103872. Its totient is φ = 140207151377664.

The previous prime is 490726664427451. The next prime is 490726664427569. The reversal of 490726664427552 is 255724466627094.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 234698793 + ... + 236780439.

It is an arithmetic number, because the mean of its divisors is an integer number (15335259344832).

Almost surely, 2490726664427552 is an apocalyptic number.

490726664427552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

490726664427552 is an abundant number, since it is smaller than the sum of its proper divisors (981458232676320).

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

490726664427552 is a wasteful number, since it uses less digits than its factorization.

490726664427552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432470 (or 2432462 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 69.

The spelling of 490726664427552 in words is "four hundred ninety trillion, seven hundred twenty-six billion, six hundred sixty-four million, four hundred twenty-seven thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 350803 701606 1052409 1403212 2081647 2104818 2455621 2806424 4163294 4209636 4911242 5612848 6244941 7366863 8326588 8419272 9822484 11225696 12489882 14571529 14733726 16653176 16838544 19644968 24979764 29143058 29467452 33306352 33677088 39289936 43714587 49959528 58286116 58934904 66612704 78579872 87429174 99919056 116572232 117869808 174858348 199838112 233144464 235739616 349716696 466288928 699433392 1398866784 730248012541 1460496025082 2190744037623 2920992050164 4381488075246 5111736087787 5841984100328 8762976150492 10223472175574 11683968200656 15335208263361 17525952300984 20446944351148 23367936401312 30670416526722 35051904601968 40893888702296 61340833053444 70103809203936 81787777404592 122681666106888 163575554809184 245363332213776 490726664427552