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12002030320 = 245721432197
BaseRepresentation
bin10110010110110000…
…00111001011110000
31010222102221022102111
423023120013023300
5144040004432240
65302541055104
7603264401020
oct131330071360
933872838374
1012002030320
1150a9919025
1223ab557494
1311936c59b7
1481bdc9a80
154a3a221ea
hex2cb6072f0

12002030320 has 40 divisors (see below), whose sum is σ = 31891110624. Its totient is φ = 4114981632.

The previous prime is 12002030317. The next prime is 12002030323. The reversal of 12002030320 is 2303020021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12002030317) and next prime (12002030323).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 12002030320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002030323) 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, 10715539 + ... + 10716658.

Almost surely, 212002030320 is an apocalyptic number.

12002030320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12002030320 is an abundant number, since it is smaller than the sum of its proper divisors (19889080304).

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

12002030320 is a wasteful number, since it uses less digits than its factorization.

12002030320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432217 (or 21432211 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 12002030320 its reverse (2303020021), we get a palindrome (14305050341).

The spelling of 12002030320 in words is "twelve billion, two million, thirty thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 21432197 42864394 85728788 107160985 150025379 171457576 214321970 300050758 342915152 428643940 600101516 750126895 857287880 1200203032 1500253790 1714575760 2400406064 3000507580 6001015160 12002030320