Search a number
-
+
431443510023454 = 26116829210138583
BaseRepresentation
bin110001000011001010100010…
…1001001111101010100011110
32002120121121010000201212120221
41202012111011021331110132
5423022232302031222304
64125334225015431554
7156606523244150125
oct14206250511752436
92076547100655527
10431443510023454
1111552018a776605
12404807866855ba
1315697c438b2176
147877d97a18abc
1534d2c80c8b054
hex188654527d51e

431443510023454 has 16 divisors (see below), whose sum is σ = 657813620581920. Its totient is φ = 212172723473760.

The previous prime is 431443510023439. The next prime is 431443510023457. The reversal of 431443510023454 is 454320015344134.

It is a super-2 number, since 2×4314435100234542 (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 431443510023454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431443510023457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103016154 + ... + 107122429.

It is an arithmetic number, because the mean of its divisors is an integer number (41113351286370).

Almost surely, 2431443510023454 is an apocalyptic number.

431443510023454 is a deficient number, since it is larger than the sum of its proper divisors (226370110558466).

431443510023454 is a wasteful number, since it uses less digits than its factorization.

431443510023454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210155475.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 431443510023454 its reverse (454320015344134), we get a palindrome (885763525367588).

The spelling of 431443510023454 in words is "four hundred thirty-one trillion, four hundred forty-three billion, five hundred ten million, twenty-three thousand, four hundred fifty-four".

Divisors: 1 2 61 122 16829 33658 1026569 2053138 210138583 420277166 12818453563 25636907126 3536422213307 7072844426614 215721755011727 431443510023454