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28040676194278 = 2117916133875831
BaseRepresentation
bin1100110000000101110101…
…00010110011011111100110
310200021122212221021200012001
412120002322202303133212
512133404301101204103
6135345413034115514
75622605045003626
oct630027242633746
9120248787250161
1028040676194278
118a30a90769060
12318a57987bb9a
1312852bc0830b7
146cd266c06886
15339607d5201d
hex1980ba8b37e6

28040676194278 has 16 divisors (see below), whose sum is σ = 46465562396160. Its totient is φ = 12584423147400.

The previous prime is 28040676194257. The next prime is 28040676194287. The reversal of 28040676194278 is 87249167604082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8066936178 + ... + 8066939653.

It is an arithmetic number, because the mean of its divisors is an integer number (2904097649760).

Almost surely, 228040676194278 is an apocalyptic number.

28040676194278 is a deficient number, since it is larger than the sum of its proper divisors (18424886201882).

28040676194278 is a wasteful number, since it uses less digits than its factorization.

28040676194278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16133875923.

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 28040676194278 in words is "twenty-eight trillion, forty billion, six hundred seventy-six million, one hundred ninety-four thousand, two hundred seventy-eight".

Divisors: 1 2 11 22 79 158 869 1738 16133875831 32267751662 177472634141 354945268282 1274576190649 2549152381298 14020338097139 28040676194278