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27020144236 = 2231972578741
BaseRepresentation
bin11001001010100001…
…101010111001101100
32120202002011112201211
4121022201222321230
5420314124103421
620225103244204
71644404302501
oct311241527154
976662145654
1027020144236
1110506192318
1252a0ba9664
132717c14837
1414447a74a8
15a822139e1
hex64a86ae6c

27020144236 has 48 divisors (see below), whose sum is σ = 49511331072. Its totient is φ = 12887654400.

The previous prime is 27020144183. The next prime is 27020144237. The reversal of 27020144236 is 63244102072.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 27020144198 and 27020144207.

It is not an unprimeable number, because it can be changed into a prime (27020144237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3086826 + ... + 3095566.

It is an arithmetic number, because the mean of its divisors is an integer number (1031486064).

Almost surely, 227020144236 is an apocalyptic number.

It is an amenable number.

27020144236 is a deficient number, since it is larger than the sum of its proper divisors (22491186836).

27020144236 is a wasteful number, since it uses less digits than its factorization.

27020144236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9130 (or 9128 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 27020144236 in words is "twenty-seven billion, twenty million, one hundred forty-four thousand, two hundred thirty-six".

Divisors: 1 2 4 31 62 97 124 194 257 388 514 1028 3007 6014 7967 8741 12028 15934 17482 24929 31868 34964 49858 99716 270971 541942 772799 847877 1083884 1545598 1695754 2246437 3091196 3391508 4492874 8985748 26284187 52568374 69639547 105136748 139279094 217904389 278558188 435808778 871617556 6755036059 13510072118 27020144236