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13421035140 = 2235223683919
BaseRepresentation
bin11000111111111010…
…01011111010000100
31021122100001020002120
430133331023322010
5204441241111030
610055431205540
7653404626222
oct143775137204
937570036076
1013421035140
115767908387
1227268168b0
13135b699916
14914647b12
155383bd010
hex31ff4be84

13421035140 has 24 divisors (see below), whose sum is σ = 37578898560. Its totient is φ = 3578942688.

The previous prime is 13421035099. The next prime is 13421035151. The reversal of 13421035140 is 4153012431.

It is a happy number.

It is a super-2 number, since 2×134210351402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13421035140.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111841900 + ... + 111842019.

It is an arithmetic number, because the mean of its divisors is an integer number (1565787440).

Almost surely, 213421035140 is an apocalyptic number.

13421035140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13421035140 is an abundant number, since it is smaller than the sum of its proper divisors (24157863420).

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

13421035140 is a wasteful number, since it uses less digits than its factorization.

13421035140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223683931 (or 223683929 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 13421035140 its reverse (4153012431), we get a palindrome (17574047571).

The spelling of 13421035140 in words is "thirteen billion, four hundred twenty-one million, thirty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 223683919 447367838 671051757 894735676 1118419595 1342103514 2236839190 2684207028 3355258785 4473678380 6710517570 13421035140