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13154320530231 = 373178933574841
BaseRepresentation
bin1011111101101011101010…
…0110100011101100110111
31201120112121012210201102020
42333122322212203230313
53211010022023431411
643551002245044223
72525240216433606
oct277327246435467
951515535721366
1013154320530231
114211797009191
12158548b3b6673
137455a739492a
1433695b525a3d
1517c292703606
hexbf6ba9a3b37

13154320530231 has 16 divisors (see below), whose sum is σ = 17789294285280. Its totient is φ = 8644581204480.

The previous prime is 13154320530181. The next prime is 13154320530313. The reversal of 13154320530231 is 13203502345131.

It is not a de Polignac number, because 13154320530231 - 229 = 13153783659319 is a prime.

It is a super-2 number, since 2×131543205302312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13154320530192 and 13154320530201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13154320530331) 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, 16395630 + ... + 17179211.

It is an arithmetic number, because the mean of its divisors is an integer number (1111830892830).

Almost surely, 213154320530231 is an apocalyptic number.

13154320530231 is a deficient number, since it is larger than the sum of its proper divisors (4634973755049).

13154320530231 is a wasteful number, since it uses less digits than its factorization.

13154320530231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33576706.

The product of its (nonzero) digits is 32400, while the sum is 33.

Adding to 13154320530231 its reverse (13203502345131), we get a palindrome (26357822875362).

The spelling of 13154320530231 in words is "thirteen trillion, one hundred fifty-four billion, three hundred twenty million, five hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 73 219 1789 5367 130597 391791 33574841 100724523 2450963393 7352890179 60065390549 180196171647 4384773510077 13154320530231