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6377484880 = 2451329320929
BaseRepresentation
bin1011111000010000…
…01011001001010000
3121110110100210120201
411330020023021100
5101030114004010
62532455344544
7314016504244
oct57410131120
917413323521
106377484880
112782a18868
12129b982154
137a83561c0
14446dd2424
15274d5023a
hex17c20b250

6377484880 has 80 divisors (see below), whose sum is σ = 16023505680. Its totient is φ = 2346614784.

The previous prime is 6377484877. The next prime is 6377484931. The reversal of 6377484880 is 884847736.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7529536 + 6369955344 = 2744^2 + 79812^2 .

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

It is a super-2 number, since 2×63774848802 = 81344626789257228800, which 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294256 + ... + 315184.

It is an arithmetic number, because the mean of its divisors is an integer number (200293821).

Almost surely, 26377484880 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 6377484880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8011752840).

6377484880 is an abundant number, since it is smaller than the sum of its proper divisors (9646020800).

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

6377484880 is a wasteful number, since it uses less digits than its factorization.

6377484880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21248 (or 21242 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The square root of 6377484880 is about 79859.1565194624. The cubic root of 6377484880 is about 1854.4557684484.

The spelling of 6377484880 in words is "six billion, three hundred seventy-seven million, four hundred eighty-four thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 293 520 586 1040 1172 1465 2344 2930 3809 4688 5860 7618 11720 15236 19045 20929 23440 30472 38090 41858 60944 76180 83716 104645 152360 167432 209290 272077 304720 334864 418580 544154 837160 1088308 1360385 1674320 2176616 2720770 4353232 5441540 6132197 10883080 12264394 21766160 24528788 30660985 49057576 61321970 79718561 98115152 122643940 159437122 245287880 318874244 398592805 490575760 637748488 797185610 1275496976 1594371220 3188742440 6377484880