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12753293531978 = 2291031213272911
BaseRepresentation
bin1011100110010101101110…
…0001111101101101001010
31200011012110221202102200002
42321211123201331231022
53132422221121010403
643042440540443002
72454252334254566
oct271453341755512
950135427672602
1012753293531978
1140777067a28aa
12151b810249462
1371682705581c
14321396bc86a6
15171b20a94188
hexb995b87db4a

12753293531978 has 16 divisors (see below), whose sum is σ = 19808788066560. Its totient is φ = 6150790724400.

The previous prime is 12753293531963. The next prime is 12753293532061. The reversal of 12753293531978 is 87913539235721.

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, 106576658 + ... + 106696253.

It is an arithmetic number, because the mean of its divisors is an integer number (1238049254160).

Almost surely, 212753293531978 is an apocalyptic number.

12753293531978 is a deficient number, since it is larger than the sum of its proper divisors (7055494534582).

12753293531978 is a wasteful number, since it uses less digits than its factorization.

12753293531978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213273973.

The product of its digits is 85730400, while the sum is 65.

The spelling of 12753293531978 in words is "twelve trillion, seven hundred fifty-three billion, two hundred ninety-three million, five hundred thirty-one thousand, nine hundred seventy-eight".

Divisors: 1 2 29 58 1031 2062 29899 59798 213272911 426545822 6184914419 12369828838 219884371241 439768742482 6376646765989 12753293531978