Search a number
-
+
32323312021 = 72111347611609
BaseRepresentation
bin11110000110100111…
…101001100110010101
310002102200000101022111
4132012213221212111
51012144231441041
622503224431021
72223000422200
oct360647514625
9102380011274
1032323312021
1112787737810
126321018471
133081810040
1417c8c24937
15c92aa2981
hex7869e9995

32323312021 has 96 divisors (see below), whose sum is σ = 45882063360. Its totient is φ = 22367923200.

The previous prime is 32323311961. The next prime is 32323312027. The reversal of 32323312021 is 12021332323.

It is not a de Polignac number, because 32323312021 - 29 = 32323311509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32323311983 and 32323312001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32323312027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20088265 + ... + 20089873.

It is an arithmetic number, because the mean of its divisors is an integer number (477938160).

Almost surely, 232323312021 is an apocalyptic number.

It is an amenable number.

32323312021 is a deficient number, since it is larger than the sum of its proper divisors (13558751339).

32323312021 is a wasteful number, since it uses less digits than its factorization.

32323312021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 32323312021 its reverse (12021332323), we get a palindrome (44344644344).

The spelling of 32323312021 in words is "thirty-two billion, three hundred twenty-three million, three hundred twelve thousand, twenty-one".

Divisors: 1 7 11 13 47 49 61 77 91 143 329 427 517 539 611 637 671 793 1001 1609 2303 2867 2989 3619 4277 4697 5551 6721 7007 8723 11263 17699 20069 20917 25333 29939 31537 32879 37271 38857 47047 61061 75623 78841 98149 123893 140483 146419 220759 230087 260897 329329 409981 427427 529361 687043 831853 867251 983099 1024933 1079639 1275937 1545313 1610609 1826279 2869867 3705527 4613003 4809301 5822971 6881693 7557473 8931559 10814089 11274263 14035307 20089069 32291021 40760797 48171851 50743033 52902311 59969039 62520913 75698623 98247149 226037147 355201231 419783273 529890361 659659429 687730043 2486408617 2938482911 4617616003 32323312021