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4457144471480 = 2351971618934939
BaseRepresentation
bin100000011011100001010…
…0000110100111110111000
3120210002200001122222221122
41000313002200310332320
51041011212441041410
613251330042324412
7640006123621601
oct100670240647670
916702601588848
104457144471480
11146929a9471a8
125bb9a87b9708
132643cb3c40bc
14115a26a38da8
157ae1959de55
hex40dc2834fb8

4457144471480 has 64 divisors (see below), whose sum is σ = 10080392652000. Its totient is φ = 1773647414784.

The previous prime is 4457144471473. The next prime is 4457144471491. The reversal of 4457144471480 is 841744417544.

It is a super-2 number, since 2×44571444714802 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127551851 + ... + 127586789.

Almost surely, 24457144471480 is an apocalyptic number.

4457144471480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4457144471480 is an abundant number, since it is smaller than the sum of its proper divisors (5623248180520).

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

4457144471480 is a wasteful number, since it uses less digits than its factorization.

4457144471480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51336 (or 51332 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 53.

It can be divided in two parts, 445714 and 4471480, that added together give a palindrome (4917194).

The spelling of 4457144471480 in words is "four trillion, four hundred fifty-seven billion, one hundred forty-four million, four hundred seventy-one thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 197 394 788 985 1576 1970 3940 7880 16189 32378 34939 64756 69878 80945 129512 139756 161890 174695 279512 323780 349390 647560 698780 1397560 3189233 6378466 6882983 12756932 13765966 15946165 25513864 27531932 31892330 34414915 55063864 63784660 68829830 127569320 137659660 275319320 565627471 1131254942 2262509884 2828137355 4525019768 5656274710 11312549420 22625098840 111428611787 222857223574 445714447148 557143058935 891428894296 1114286117870 2228572235740 4457144471480