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27948926346 = 2311423468581
BaseRepresentation
bin11010000001111000…
…101100010110001010
32200010210211120021020
4122001320230112022
5424214411120341
620501202253310
72006412645165
oct320170542612
980123746236
1027948926346
1110942493040
125500057236
132835477a53
1414d1c96adc
15ad8a28566
hex681e2c58a

27948926346 has 16 divisors (see below), whose sum is σ = 60979475808. Its totient is φ = 8469371600.

The previous prime is 27948926321. The next prime is 27948926359. The reversal of 27948926346 is 64362984972.

It is a super-2 number, since 2×279489263462 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27948926346.

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, 211734225 + ... + 211734356.

It is an arithmetic number, because the mean of its divisors is an integer number (3811217238).

Almost surely, 227948926346 is an apocalyptic number.

27948926346 is an abundant number, since it is smaller than the sum of its proper divisors (33030549462).

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

27948926346 is a wasteful number, since it uses less digits than its factorization.

27948926346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423468597.

The product of its digits is 31352832, while the sum is 60.

The spelling of 27948926346 in words is "twenty-seven billion, nine hundred forty-eight million, nine hundred twenty-six thousand, three hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 423468581 846937162 1270405743 2540811486 4658154391 9316308782 13974463173 27948926346