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4481719680 = 27352334229
BaseRepresentation
bin1000010110010000…
…11001110110000000
3102120100010221121210
410023020121312000
533134310012210
62020414450120
7216026663064
oct41310316600
912510127553
104481719680
11199a8a5369
12a50b03940
13565676049
1430730baa4
151b36cbe20
hex10b219d80

4481719680 has 64 divisors (see below), whose sum is σ = 14285487600. Its totient is φ = 1195124736.

The previous prime is 4481719663. The next prime is 4481719687. The reversal of 4481719680 is 869171844.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×44817196802 = 40171622580198604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481719687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165195 + ... + 1169034.

Almost surely, 24481719680 is an apocalyptic number.

4481719680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4481719680 is an abundant number, since it is smaller than the sum of its proper divisors (9803767920).

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

4481719680 is a wasteful number, since it uses less digits than its factorization.

4481719680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334251 (or 2334239 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 4481719680 is about 66945.6472072681. The cubic root of 4481719680 is about 1648.7250242467.

The spelling of 4481719680 in words is "four billion, four hundred eighty-one million, seven hundred nineteen thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 2334229 4668458 7002687 9336916 11671145 14005374 18673832 23342290 28010748 35013435 37347664 46684580 56021496 70026870 74695328 93369160 112042992 140053740 149390656 186738320 224085984 280107480 298781312 373476640 448171968 560214960 746953280 896343936 1120429920 1493906560 2240859840 4481719680