Search a number
-
+
8744220434312 = 2311234320267013
BaseRepresentation
bin111111100111110110000…
…1001110001111110001000
31010221221100202102121120122
41333033230021301332020
52121231130412344222
630333012302442412
71561514635222616
oct177175411617610
933857322377518
108744220434312
112871448523710
12b92831893408
134b57655c535c
142233188866b6
151026cd2bda42
hex7f3ec271f88

8744220434312 has 32 divisors (see below), whose sum is σ = 18663553500480. Its totient is φ = 3801834970560.

The previous prime is 8744220434311. The next prime is 8744220434321. The reversal of 8744220434312 is 2134340224478.

It is a happy number.

It is a super-2 number, since 2×87442204343122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (8744220434311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160131483 + ... + 2160135530.

It is an arithmetic number, because the mean of its divisors is an integer number (583236046890).

Almost surely, 28744220434312 is an apocalyptic number.

It is an amenable number.

8744220434312 is an abundant number, since it is smaller than the sum of its proper divisors (9919333066168).

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

8744220434312 is a wasteful number, since it uses less digits than its factorization.

8744220434312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320267053 (or 4320267049 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 8744220434312 in words is "eight trillion, seven hundred forty-four billion, two hundred twenty million, four hundred thirty-four thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 4320267013 8640534026 17281068052 34562136104 47522937143 95045874286 99366141299 190091748572 198732282598 380183497144 397464565196 794929130392 1093027554289 2186055108578 4372110217156 8744220434312