Search a number
-
+
231028816044043 = 895125810391693
BaseRepresentation
bin110100100001111010010110…
…100000110110000000001011
31010022000010202102012221200001
4310201322112200312000023
5220240134003401402133
62135205101203023431
766443165301055213
oct6441722640660013
91108003672187601
10231028816044043
1167681852825726
1221ab2b2306ab77
139bbac019941a4
144109bd650b243
151ba98ca2db87d
hexd21e9683600b

231028816044043 has 4 divisors (see below), whose sum is σ = 231054626444688. Its totient is φ = 231003005643400.

The previous prime is 231028816043969. The next prime is 231028816044049. The reversal of 231028816044043 is 340440618820132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231028816044043 - 217 = 231028815912971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231028816043984 and 231028816044002.

It is not an unprimeable number, because it can be changed into a prime (231028816044049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12905186896 + ... + 12905204797.

It is an arithmetic number, because the mean of its divisors is an integer number (57763656611172).

Almost surely, 2231028816044043 is an apocalyptic number.

231028816044043 is a deficient number, since it is larger than the sum of its proper divisors (25810400645).

231028816044043 is an equidigital number, since it uses as much as digits as its factorization.

231028816044043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25810400644.

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 231028816044043 in words is "two hundred thirty-one trillion, twenty-eight billion, eight hundred sixteen million, forty-four thousand, forty-three".

Divisors: 1 8951 25810391693 231028816044043