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128002655384854 = 2578319777559597
BaseRepresentation
bin11101000110101011110000…
…110011011111010100010110
3121210012221020010201222000221
4131012223300303133110112
5113234143414234303404
61132123335203024554
735650613061460255
oct3506536063372426
9553187203658027
10128002655384854
1137870691a40388
121243393236b15a
1356567a21b6173
14238750c24a79c
15ebe99978b954
hex746af0cdf516

128002655384854 has 16 divisors (see below), whose sum is σ = 192047237841888. Its totient is φ = 63986910607872.

The previous prime is 128002655384797. The next prime is 128002655384867. The reversal of 128002655384854 is 458483556200821.

It is a junction number, because it is equal to n+sod(n) for n = 128002655384792 and 128002655384801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228460984 + ... + 229020580.

It is an arithmetic number, because the mean of its divisors is an integer number (12002952365118).

Almost surely, 2128002655384854 is an apocalyptic number.

128002655384854 is a deficient number, since it is larger than the sum of its proper divisors (64044582457034).

128002655384854 is a wasteful number, since it uses less digits than its factorization.

128002655384854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585159.

The product of its (nonzero) digits is 73728000, while the sum is 61.

The spelling of 128002655384854 in words is "one hundred twenty-eight trillion, two billion, six hundred fifty-five million, three hundred eighty-four thousand, eight hundred fifty-four".

Divisors: 1 2 5783 11566 19777 39554 559597 1119194 114370391 228740782 3236149451 6472298902 11067149869 22134299738 64001327692427 128002655384854