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28947055374712 = 2319190441153781
BaseRepresentation
bin1101001010011110000101…
…11100111111000101111000
310210111022102001121200212101
412211033002330333011320
512243232032133442322
6141322032121353144
76045233005633066
oct645170274770570
9123438361550771
1028947055374712
1192504171245a2
1232b61723387b4
13131c90733a087
1472108b503036
15352ea5416327
hex1a53c2f3f178

28947055374712 has 16 divisors (see below), whose sum is σ = 57132346134600. Its totient is φ = 13711763072160.

The previous prime is 28947055374697. The next prime is 28947055374733. The reversal of 28947055374712 is 21747355074982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95220576739 + ... + 95220577042.

Almost surely, 228947055374712 is an apocalyptic number.

It is an amenable number.

28947055374712 is a deficient number, since it is larger than the sum of its proper divisors (28185290759888).

28947055374712 is a wasteful number, since it uses less digits than its factorization.

28947055374712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190441153806 (or 190441153802 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 64.

The spelling of 28947055374712 in words is "twenty-eight trillion, nine hundred forty-seven billion, fifty-five million, three hundred seventy-four thousand, seven hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 190441153781 380882307562 761764615124 1523529230248 3618381921839 7236763843678 14473527687356 28947055374712