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12315387435703 = 118917372714209
BaseRepresentation
bin1011001100110110011001…
…0010110001101010110111
31121121100011112011212002121
42303031212102301222313
53103233403140420303
642105335541220411
72410520531666422
oct263154622615267
947540145155077
1012315387435703
113a18a21167310
12146a97a401707
136b444a3ca021
143080d45989b9
151655414249bd
hexb33664b1ab7

12315387435703 has 16 divisors (see below), whose sum is σ = 13664454343200. Its totient is φ = 11006022522880.

The previous prime is 12315387435649. The next prime is 12315387435877. The reversal of 12315387435703 is 30753478351321.

It is a de Polignac number, because none of the positive numbers 2k-12315387435703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315387435503) 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, 36187738 + ... + 36526471.

It is an arithmetic number, because the mean of its divisors is an integer number (854028396450).

Almost surely, 212315387435703 is an apocalyptic number.

12315387435703 is a deficient number, since it is larger than the sum of its proper divisors (1349066907497).

12315387435703 is a wasteful number, since it uses less digits than its factorization.

12315387435703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72714482.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 12315387435703 in words is "twelve trillion, three hundred fifteen billion, three hundred eighty-seven million, four hundred thirty-five thousand, seven hundred three".

Divisors: 1 11 89 173 979 1903 15397 169367 72714209 799856299 6471564601 12579558157 71187210611 138375139727 1119580675973 12315387435703