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12694140277693 = 78963419321289
BaseRepresentation
bin1011100010111001010110…
…1110001101001110111101
31122221112210110110202200021
42320232111232031032331
53130440044402341233
642555335121132141
72450056426015360
oct270562556151675
948845713422607
1012694140277693
114054611284396
121510261a8a051
1371108ab67604
1431c58498c0d7
1517030c84de2d
hexb8b95b8d3bd

12694140277693 has 16 divisors (see below), whose sum is σ = 14670872496000. Its totient is φ = 10758233578752.

The previous prime is 12694140277691. The next prime is 12694140277717. The reversal of 12694140277693 is 39677204149621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12694140277693 - 21 = 12694140277691 is a prime.

It is a super-2 number, since 2×126941402776932 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694140277691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39349393 + ... + 39670681.

It is an arithmetic number, because the mean of its divisors is an integer number (916929531000).

Almost surely, 212694140277693 is an apocalyptic number.

It is an amenable number.

12694140277693 is a deficient number, since it is larger than the sum of its proper divisors (1976732218307).

12694140277693 is an equidigital number, since it uses as much as digits as its factorization.

12694140277693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384804.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 12694140277693 in words is "twelve trillion, six hundred ninety-four billion, one hundred forty million, two hundred seventy-seven thousand, six hundred ninety-three".

Divisors: 1 7 89 623 63419 321289 443933 2249023 5644291 28594721 39510037 200163047 20375827091 142630789637 1813448611099 12694140277693