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12703894394072 = 237226855257037
BaseRepresentation
bin1011100011011101101100…
…0111001101010011011000
31122222110222020120012212212
42320313123013031103120
53131120033431102242
643004031041454252
72450553226441430
oct270673307152330
948873866505785
1012703894394072
1140587672173a2
121512124641388
13711c83923bcb
1431cc2c1c72c0
151706cdd3c782
hexb8ddb1cd4d8

12703894394072 has 16 divisors (see below), whose sum is σ = 27222630844560. Its totient is φ = 5444526168864.

The previous prime is 12703894394063. The next prime is 12703894394123. The reversal of 12703894394072 is 27049349830721.

It is a happy number.

It is a super-2 number, since 2×127038943940722 (a number of 27 digits) contains 22 as substring.

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, 113427628463 + ... + 113427628574.

It is an arithmetic number, because the mean of its divisors is an integer number (1701414427785).

Almost surely, 212703894394072 is an apocalyptic number.

It is an amenable number.

12703894394072 is an abundant number, since it is smaller than the sum of its proper divisors (14518736450488).

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

12703894394072 is a wasteful number, since it uses less digits than its factorization.

12703894394072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226855257050 (or 226855257046 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 59.

The spelling of 12703894394072 in words is "twelve trillion, seven hundred three billion, eight hundred ninety-four million, three hundred ninety-four thousand, seventy-two".

Divisors: 1 2 4 7 8 14 28 56 226855257037 453710514074 907421028148 1587986799259 1814842056296 3175973598518 6351947197036 12703894394072