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28347326174380 = 2253298734296703
BaseRepresentation
bin1100111001000001000000…
…10011101001010010101100
310201100222101220022200200111
412130200200103221102230
512203420311000040010
6140142325403305404
75654012111556343
oct634404023512254
9121328356280614
1028347326174380
11903a040680884
123219a9a21b264
1312a81ab825675
147000371d0b5a
153425a423a58a
hex19c8204e94ac

28347326174380 has 24 divisors (see below), whose sum is σ = 59529579282432. Its totient is φ = 11338893457152.

The previous prime is 28347326174357. The next prime is 28347326174407. The reversal of 28347326174380 is 8347162374382.

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, 4449109 + ... + 8745811.

It is an arithmetic number, because the mean of its divisors is an integer number (2480399136768).

Almost surely, 228347326174380 is an apocalyptic number.

28347326174380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28347326174380 is an abundant number, since it is smaller than the sum of its proper divisors (31182253108052).

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

28347326174380 is a wasteful number, since it uses less digits than its factorization.

28347326174380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626585 (or 4626583 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 58.

The spelling of 28347326174380 in words is "twenty-eight trillion, three hundred forty-seven billion, three hundred twenty-six million, one hundred seventy-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 329873 659746 1319492 1649365 3298730 4296703 6597460 8593406 17186812 21483515 42967030 85934060 1417366308719 2834732617438 5669465234876 7086831543595 14173663087190 28347326174380