Search a number
-
+
464023989784831 = 74091381391173283
BaseRepresentation
bin110100110000001110000000…
…1000101000001000011111111
32020211222021000200100200011111
41221200130001011001003333
5441310032112341103311
64322521402243502451
7166511425016610640
oct15140340105010377
92224867020320144
10464023989784831
11124941518175823
1244062b5b387a27
1316bbc375055508
148282c4941b6c7
15389a4ded10d21
hex1a607011410ff

464023989784831 has 16 divisors (see below), whose sum is σ = 531614041772800. Its totient is φ = 396759181186368.

The previous prime is 464023989784801. The next prime is 464023989784897. The reversal of 464023989784831 is 138487989320464.

It is not a de Polignac number, because 464023989784831 - 219 = 464023989260543 is a prime.

It is a super-2 number, since 2×4640239897848312 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464023989784801) 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, 394905316 + ... + 396078598.

It is an arithmetic number, because the mean of its divisors is an integer number (33225877610800).

Almost surely, 2464023989784831 is an apocalyptic number.

464023989784831 is a deficient number, since it is larger than the sum of its proper divisors (67590051987969).

464023989784831 is a wasteful number, since it uses less digits than its factorization.

464023989784831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311838.

The product of its (nonzero) digits is 2006581248, while the sum is 76.

The spelling of 464023989784831 in words is "four hundred sixty-four trillion, twenty-three billion, nine hundred eighty-nine million, seven hundred eighty-four thousand, eight hundred thirty-one".

Divisors: 1 7 409 2863 138139 966973 1173283 8212981 56498851 395491957 479872747 3359109229 162076140337 1134532982359 66289141397833 464023989784831