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6466805236060 = 2251321913255987
BaseRepresentation
bin101111000011010101110…
…1000010000000101011100
3211220012221202221112112021
41132012223220100011130
51321423004120023220
621430450451145524
71235132314360231
oct136065350200534
924805852845467
106466805236060
112073613a6a444
12885387ba52a4
1337ba8128b300
14184dd0583788
15b333a77a4aa
hex5e1aba1015c

6466805236060 has 36 divisors (see below), whose sum is σ = 14705285523768. Its totient is φ = 2387743470528.

The previous prime is 6466805236043. The next prime is 6466805236063. The reversal of 6466805236060 is 606325086646.

It is a super-2 number, since 2×64668052360602 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 6466805235989 and 6466805236007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466805236063) 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 11 ways as a sum of consecutive naturals, for example, 956624614 + ... + 956631373.

It is an arithmetic number, because the mean of its divisors is an integer number (408480153438).

Almost surely, 26466805236060 is an apocalyptic number.

It is an amenable number.

6466805236060 is an abundant number, since it is smaller than the sum of its proper divisors (8238480287708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6466805236060 is a wasteful number, since it uses less digits than its factorization.

6466805236060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913256022 (or 1913256007 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 6466805236060 in words is "six trillion, four hundred sixty-six billion, eight hundred five million, two hundred thirty-six thousand, sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 169 260 338 676 845 1690 3380 1913255987 3826511974 7653023948 9566279935 19132559870 24872327831 38265119740 49744655662 99489311324 124361639155 248723278310 323340261803 497446556620 646680523606 1293361047212 1616701309015 3233402618030 6466805236060