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13161271022592 = 210373111278941
BaseRepresentation
bin1011111110000101100011…
…1000100101010000000000
31201121012112121101022111020
42333201120320211100000
53211113240340210332
643554112054145440
72525604364566000
oct277413070452000
951535477338436
1013161271022592
114214733418a50
1215868ab052280
137461443555c4
1433701a676000
1517c54c9dd82c
hexbf858e25400

13161271022592 has 704 divisors, whose sum is σ = 44984583782400. Its totient is φ = 3391215206400.

The previous prime is 13161271022579. The next prime is 13161271022593. The reversal of 13161271022592 is 29522017216131.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161271022593) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1472008842 + ... + 1472017782.

Almost surely, 213161271022592 is an apocalyptic number.

13161271022592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13161271022592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22492291891200).

13161271022592 is an abundant number, since it is smaller than the sum of its proper divisors (31823312759808).

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

13161271022592 is a wasteful number, since it uses less digits than its factorization.

13161271022592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123 (or 9091 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 13161271022592 in words is "thirteen trillion, one hundred sixty-one billion, two hundred seventy-one million, twenty-two thousand, five hundred ninety-two".