Search a number
-
+
16472474355431 is a prime number
BaseRepresentation
bin1110111110110100101111…
…1110111000011011100111
32011022202100001121220010202
43233231023332320123213
54124341111413333211
655011203353141115
73320045161536413
oct357551376703347
964282301556122
1016472474355431
115280a34378786
121a205863ba79b
13926469a91a23
1440d3b458dd43
151d874824753b
hexefb4bfb86e7

16472474355431 has 2 divisors, whose sum is σ = 16472474355432. Its totient is φ = 16472474355430.

The previous prime is 16472474355401. The next prime is 16472474355457. The reversal of 16472474355431 is 13455347427461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16472474355431 - 222 = 16472470161127 is a prime.

It is a super-2 number, since 2×164724743554312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16472474355401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236237177715 + 8236237177716.

It is an arithmetic number, because the mean of its divisors is an integer number (8236237177716).

Almost surely, 216472474355431 is an apocalyptic number.

16472474355431 is a deficient number, since it is larger than the sum of its proper divisors (1).

16472474355431 is an equidigital number, since it uses as much as digits as its factorization.

16472474355431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 56.

The spelling of 16472474355431 in words is "sixteen trillion, four hundred seventy-two billion, four hundred seventy-four million, three hundred fifty-five thousand, four hundred thirty-one".