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11715942891373 = 729371915518689
BaseRepresentation
bin1010101001111101010010…
…0111010011111101101101
31112111000220012111212112121
42222133110213103331231
53013423222340010443
640530121352232541
72316306662304610
oct252372447237555
945430805455477
1011715942891373
113807781367896
12139276569b751
1366ca68870316
142c70a9dc4177
15154b5a2264ed
hexaa7d49d3f6d

11715942891373 has 16 divisors (see below), whose sum is σ = 13855086432000. Its totient is φ = 9693344973312.

The previous prime is 11715942891287. The next prime is 11715942891377. The reversal of 11715942891373 is 37319824951711.

It is a happy number.

It is not a de Polignac number, because 11715942891373 - 225 = 11715909336941 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 (11715942891377) 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, 7004388 + ... + 8514301.

It is an arithmetic number, because the mean of its divisors is an integer number (865942902000).

Almost surely, 211715942891373 is an apocalyptic number.

It is an amenable number.

11715942891373 is a deficient number, since it is larger than the sum of its proper divisors (2139143540627).

11715942891373 is a wasteful number, since it uses less digits than its factorization.

11715942891373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15522444.

The product of its digits is 11430720, while the sum is 61.

The spelling of 11715942891373 in words is "eleven trillion, seven hundred fifteen billion, nine hundred forty-two million, eight hundred ninety-one thousand, three hundred seventy-three".

Divisors: 1 7 29 203 3719 26033 107851 754957 15518689 108630823 450041981 3150293867 57714004391 403998030737 1673706127339 11715942891373