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16157819263041 = 36536
BaseRepresentation
bin1110101100100000100100…
…0100111101100001000001
32010012200011012120001000000
43223020021010331201001
54104212203212404131
654210444422350213
73255235552432131
oct353101104754101
963180135501000
1016157819263041
11516a546816685
12198b5b0b8b369
139028a2a09421
143dc084d6aac1
151d047e1a3ce6
hexeb20913d841

16157819263041 has 49 divisors (see below), whose sum is σ = 24691524535399. Its totient is φ = 10568636499096.

The previous prime is 16157819262971. The next prime is 16157819263073. The reversal of 16157819263041 is 14036291875161.

The square root of 16157819263041 is 4019679.

The cubic root of 16157819263041 is 25281.

It is a perfect power (a square, a cube, a 6-th power), and thus also a powerful number.

16157819263041 is a `hidden beast` number, since 1 + 6 + 1 + 578 + 1 + 9 + 2 + 63 + 0 + 4 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 157851263025 + 15999968000016 = 397305^2 + 3999996^2 .

It is not a de Polignac number, because 16157819263041 - 225 = 16157785708609 is a prime.

It is a super-2 number, since 2×161578192630412 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16157819263081) by changing a digit.

It is a polite number, since it can be written in 48 ways as a sum of consecutive naturals, for example, 304864514371 + ... + 304864514423.

It is a 1-persistent number, because it is pandigital, but 2⋅16157819263041 = 32315638526082 is not.

Almost surely, 216157819263041 is an apocalyptic number.

16157819263041 is the 4019679-th square number.

16157819263041 is the 2009840-th centered octagonal number.

It is an amenable number.

16157819263041 is a deficient number, since it is larger than the sum of its proper divisors (8533705272358).

16157819263041 is an frugal number, since it uses more digits than its factorization.

16157819263041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 16157819263041 in words is "sixteen trillion, one hundred fifty-seven billion, eight hundred nineteen million, two hundred sixty-three thousand, forty-one".

Divisors: 1 3 9 27 53 81 159 243 477 729 1431 2809 4293 8427 12879 25281 38637 75843 148877 227529 446631 682587 1339893 2047761 4019679 7890481 12059037 23671443 36177111 71014329 108531333 213042987 418195493 639128961 1254586479 1917386883 3763759437 5752160649 11291278311 22164361129 33873834933 66493083387 101621504799 199479250161 304864514397 598437750483 1795313251449 5385939754347 16157819263041