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7000438144 = 27724673167
BaseRepresentation
bin1101000010100001…
…00011010110000000
3200001212120002210211
412201100203112000
5103314103010034
63114351403504
7335322512440
oct64120432600
920055502724
107000438144
112a72623877
121434523594
1387742a4bb
144a5a32120
152ae8a3d64
hex1a1423580

7000438144 has 64 divisors (see below), whose sum is σ = 15949992960. Its totient is φ = 2998024704.

The previous prime is 7000438111. The next prime is 7000438153. The reversal of 7000438144 is 4418340007.

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

It is a super-2 number, since 2×70004381442 = 98012268415940329472, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208849 + ... + 2212015.

It is an arithmetic number, because the mean of its divisors is an integer number (249218640).

Almost surely, 27000438144 is an apocalyptic number.

It is an amenable number.

7000438144 is an abundant number, since it is smaller than the sum of its proper divisors (8949554816).

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

7000438144 is a wasteful number, since it uses less digits than its factorization.

7000438144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655 (or 5643 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 7000438144 is about 83668.6210236550. The cubic root of 7000438144 is about 1912.9710933359.

The spelling of 7000438144 in words is "seven billion, four hundred thirty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 2467 3167 4934 6334 9868 12668 17269 19736 22169 25336 34538 39472 44338 50672 69076 78944 88676 101344 138152 157888 177352 202688 276304 315776 354704 405376 552608 709408 1105216 1418816 2210432 2837632 7812989 15625978 31251956 54690923 62503912 109381846 125007824 218763692 250015648 437527384 500031296 875054768 1000062592 1750109536 3500219072 7000438144