Search a number
-
+
18664962464310 = 2351966191494713
BaseRepresentation
bin1000011111001110001100…
…11101010001101000110110
32110002100112022210211012120
410033213012131101220312
54421301320342324220
6103410322042300410
73634333112141331
oct417470635215066
973070468724176
1018664962464310
115a46847797788
12211548a1b7706
13a55138282976
144875635d5618
152257b9e68a40
hex10f9c6751a36

18664962464310 has 64 divisors (see below), whose sum is σ = 47154397086720. Its totient is φ = 4715278168320.

The previous prime is 18664962464233. The next prime is 18664962464311. The reversal of 18664962464310 is 1346426946681.

It is a super-2 number, since 2×186649624643102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18664962464311) 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 31 ways as a sum of consecutive naturals, for example, 37481514 + ... + 37976226.

It is an arithmetic number, because the mean of its divisors is an integer number (736787454480).

Almost surely, 218664962464310 is an apocalyptic number.

18664962464310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18664962464310 is an abundant number, since it is smaller than the sum of its proper divisors (28489434622410).

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

18664962464310 is a wasteful number, since it uses less digits than its factorization.

18664962464310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560933.

The product of its (nonzero) digits is 35831808, while the sum is 60.

The spelling of 18664962464310 in words is "eighteen trillion, six hundred sixty-four billion, nine hundred sixty-two million, four hundred sixty-four thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 66191 132382 198573 330955 397146 494713 661910 989426 992865 1257629 1484139 1985730 2473565 2515258 2968278 3772887 4947130 6288145 7420695 7545774 9399547 12576290 14841390 18799094 18864435 28198641 37728870 46997735 56397282 93995470 140993205 281986410 32745548183 65491096366 98236644549 163727740915 196473289098 327455481830 491183222745 622165415477 982366445490 1244330830954 1866496246431 3110827077385 3732992492862 6221654154770 9332481232155 18664962464310